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Stored plan data · confirm current price with provider
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The complete eSIM guide for travelers

The best eSIM for Japan

A country of ancient traditions and futuristic technology, from serene temples to bustling cities. Compare stored plan prices, data allowances and validity, plus practical things to know before you fly. Confirm current offers with the provider.

Entry-plan example for Japan
GoMoWorld 3.5GB · 7 days

The lowest-total-price plan from the first provider in our catalog-average ranking. Larger bundles can have a lower $/GB. Match the listed data allowance and validity to your trip; a seven-day plan does not cover two weeks.

$3.99
$1.14/GB · stored price
Get this plan →
A scenic view of Japan

GigSky · country, regional and global offers

Find a plan that covers your Japan trip

48 recorded variants. Compare advertised base prices with Japan coverage; these are retained observations, not live checkout quotes. Regional coverage can be useful for onward travel.

Other GigSky offers may be available. These reviewed offers establish land coverage only.

18 matching fixed offers

Japan · country coverage

1 GB · 7 days

$2.99 USD base

Observed 2026-10-11T18:28:17.259Z. Tax basis and checkout unverified.

Coverage and requirements

1 listed countries: JP.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-11T18:28:17.259Z; checkout unverified. Official offer source

Retained advertised offer, not a live quote. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

1 GB · 15 days

$6.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172823/15 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

Japan · country coverage

3 GB · 15 days

$7.49 USD base

Observed 2026-10-11T18:28:17.259Z. Tax basis and checkout unverified.

Coverage and requirements

1 listed countries: JP.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-11T18:28:17.259Z; checkout unverified. Official offer source

Retained advertised offer, not a live quote. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan · global coverage

1 GB · 7 days

$7.99 USD base

Observed 2026-10-10T20:48:31.652647+00:00. Tax basis and checkout unverified.

Coverage and requirements

165 listed countries: AF, AL, DZ, AI, AG, AR, AM, AW, AU, AT, AZ, BS, BH, BD, BB, BE, BJ, BM, BO, BQ, BA, BW, BR, VG, BG, BF, KH, CM, CA, KY, CF, TD, CL, CN, CO, CG, CD, CR, CI, HR, CW, CY, CZ, DK, DM, DO, EC, EG, SV, EE, FO, FJ, FI, FR, GF, GA, GE, DE, GI, GR, GL, GD, GP, GT, GG, GN, GW, GY, HN, HU, IS, IN, ID, IQ, IE, IM, IL, IT, JM, JP, JE, JO, KZ, KE, XK, KG, LV, LR, LI, LT, LU, MO, MK, MG, MW, MY, ML, MT, MQ, MU, YT, MX, MD, MN, ME, MS, MA, NR, NL, NZ, NI, NE, NG, NO, OM, PK, PS, PA, PG, PY, PE, PL, PT, PR, QA, RE, RO, RW, BL, KN, LC, MF, VC, WS, SA, SN, RS, SC, SL, SG, SX, SK, SI, ZA, KR, ES, LK, SZ, SE, CH, TW, TZ, TH, TO, TT, TR, TC, VI, UG, UA, GB, US, UY, UZ, VN.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:31.652647+00:00; checkout unverified. Official offer source

Offline bounded advertised-offer review. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

2 GB · 15 days

$9.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172824/15 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

Japan · country coverage

5 GB · 30 days

$10.29 USD base

Observed 2026-10-11T18:28:17.259Z. Tax basis and checkout unverified.

Coverage and requirements

1 listed countries: JP.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-11T18:28:17.259Z; checkout unverified. Official offer source

Retained advertised offer, not a live quote. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

Japan · country coverage

10 GB · 30 days

$16.79 USD base

Observed 2026-10-11T18:28:17.259Z. Tax basis and checkout unverified.

Coverage and requirements

1 listed countries: JP.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-11T18:28:17.259Z; checkout unverified. Official offer source

Retained advertised offer, not a live quote. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

3 GB · 15 days

$16.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172825/15 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

World Plan · global coverage

3 GB · 15 days

$18.99 USD base

Observed 2026-10-10T20:48:31.652647+00:00. Tax basis and checkout unverified.

Coverage and requirements

165 listed countries: AF, AL, DZ, AI, AG, AR, AM, AW, AU, AT, AZ, BS, BH, BD, BB, BE, BJ, BM, BO, BQ, BA, BW, BR, VG, BG, BF, KH, CM, CA, KY, CF, TD, CL, CN, CO, CG, CD, CR, CI, HR, CW, CY, CZ, DK, DM, DO, EC, EG, SV, EE, FO, FJ, FI, FR, GF, GA, GE, DE, GI, GR, GL, GD, GP, GT, GG, GN, GW, GY, HN, HU, IS, IN, ID, IQ, IE, IM, IL, IT, JM, JP, JE, JO, KZ, KE, XK, KG, LV, LR, LI, LT, LU, MO, MK, MG, MW, MY, ML, MT, MQ, MU, YT, MX, MD, MN, ME, MS, MA, NR, NL, NZ, NI, NE, NG, NO, OM, PK, PS, PA, PG, PY, PE, PL, PT, PR, QA, RE, RO, RW, BL, KN, LC, MF, VC, WS, SA, SN, RS, SC, SL, SG, SX, SK, SI, ZA, KR, ES, LK, SZ, SE, CH, TW, TZ, TH, TO, TT, TR, TC, VI, UG, UA, GB, US, UY, UZ, VN.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:31.652647+00:00; checkout unverified. Official offer source

Offline bounded advertised-offer review. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

5 GB · 15 days

$24.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172826/15 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

World Plan · global coverage

5 GB · 30 days

$32.99 USD base

Observed 2026-10-10T20:48:31.652647+00:00. Tax basis and checkout unverified.

Coverage and requirements

165 listed countries: AF, AL, DZ, AI, AG, AR, AM, AW, AU, AT, AZ, BS, BH, BD, BB, BE, BJ, BM, BO, BQ, BA, BW, BR, VG, BG, BF, KH, CM, CA, KY, CF, TD, CL, CN, CO, CG, CD, CR, CI, HR, CW, CY, CZ, DK, DM, DO, EC, EG, SV, EE, FO, FJ, FI, FR, GF, GA, GE, DE, GI, GR, GL, GD, GP, GT, GG, GN, GW, GY, HN, HU, IS, IN, ID, IQ, IE, IM, IL, IT, JM, JP, JE, JO, KZ, KE, XK, KG, LV, LR, LI, LT, LU, MO, MK, MG, MW, MY, ML, MT, MQ, MU, YT, MX, MD, MN, ME, MS, MA, NR, NL, NZ, NI, NE, NG, NO, OM, PK, PS, PA, PG, PY, PE, PL, PT, PR, QA, RE, RO, RW, BL, KN, LC, MF, VC, WS, SA, SN, RS, SC, SL, SG, SX, SK, SI, ZA, KR, ES, LK, SZ, SE, CH, TW, TZ, TH, TO, TT, TR, TC, VI, UG, UA, GB, US, UY, UZ, VN.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:31.652647+00:00; checkout unverified. Official offer source

Offline bounded advertised-offer review. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

10 GB · 60 days

$44.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172827/60 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

World Plan · global coverage

10 GB · 60 days

$64.99 USD base

Observed 2026-10-10T20:48:31.652647+00:00. Tax basis and checkout unverified.

Coverage and requirements

165 listed countries: AF, AL, DZ, AI, AG, AR, AM, AW, AU, AT, AZ, BS, BH, BD, BB, BE, BJ, BM, BO, BQ, BA, BW, BR, VG, BG, BF, KH, CM, CA, KY, CF, TD, CL, CN, CO, CG, CD, CR, CI, HR, CW, CY, CZ, DK, DM, DO, EC, EG, SV, EE, FO, FJ, FI, FR, GF, GA, GE, DE, GI, GR, GL, GD, GP, GT, GG, GN, GW, GY, HN, HU, IS, IN, ID, IQ, IE, IM, IL, IT, JM, JP, JE, JO, KZ, KE, XK, KG, LV, LR, LI, LT, LU, MO, MK, MG, MW, MY, ML, MT, MQ, MU, YT, MX, MD, MN, ME, MS, MA, NR, NL, NZ, NI, NE, NG, NO, OM, PK, PS, PA, PG, PY, PE, PL, PT, PR, QA, RE, RO, RW, BL, KN, LC, MF, VC, WS, SA, SN, RS, SC, SL, SG, SX, SK, SI, ZA, KR, ES, LK, SZ, SE, CH, TW, TZ, TH, TO, TT, TR, TC, VI, UG, UA, GB, US, UY, UZ, VN.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:31.652647+00:00; checkout unverified. Official offer source

Offline bounded advertised-offer review. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

20 GB · 180 days

$79.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172828/180 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

World Plan · global coverage

20 GB · 90 days

$99.99 USD base

Observed 2026-10-10T20:48:31.652647+00:00. Tax basis and checkout unverified.

Coverage and requirements

165 listed countries: AF, AL, DZ, AI, AG, AR, AM, AW, AU, AT, AZ, BS, BH, BD, BB, BE, BJ, BM, BO, BQ, BA, BW, BR, VG, BG, BF, KH, CM, CA, KY, CF, TD, CL, CN, CO, CG, CD, CR, CI, HR, CW, CY, CZ, DK, DM, DO, EC, EG, SV, EE, FO, FJ, FI, FR, GF, GA, GE, DE, GI, GR, GL, GD, GP, GT, GG, GN, GW, GY, HN, HU, IS, IN, ID, IQ, IE, IM, IL, IT, JM, JP, JE, JO, KZ, KE, XK, KG, LV, LR, LI, LT, LU, MO, MK, MG, MW, MY, ML, MT, MQ, MU, YT, MX, MD, MN, ME, MS, MA, NR, NL, NZ, NI, NE, NG, NO, OM, PK, PS, PA, PG, PY, PE, PL, PT, PR, QA, RE, RO, RW, BL, KN, LC, MF, VC, WS, SA, SN, RS, SC, SL, SG, SX, SK, SI, ZA, KR, ES, LK, SZ, SE, CH, TW, TZ, TH, TO, TT, TR, TC, VI, UG, UA, GB, US, UY, UZ, VN.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:31.652647+00:00; checkout unverified. Official offer source

Offline bounded advertised-offer review. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

50 GB · 180 days

$109.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172829/180 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

World Plan · global coverage

50 GB · 180 days

$169.99 USD base

Observed 2026-10-10T20:48:31.652647+00:00. Tax basis and checkout unverified.

Coverage and requirements

165 listed countries: AF, AL, DZ, AI, AG, AR, AM, AW, AU, AT, AZ, BS, BH, BD, BB, BE, BJ, BM, BO, BQ, BA, BW, BR, VG, BG, BF, KH, CM, CA, KY, CF, TD, CL, CN, CO, CG, CD, CR, CI, HR, CW, CY, CZ, DK, DM, DO, EC, EG, SV, EE, FO, FJ, FI, FR, GF, GA, GE, DE, GI, GR, GL, GD, GP, GT, GG, GN, GW, GY, HN, HU, IS, IN, ID, IQ, IE, IM, IL, IT, JM, JP, JE, JO, KZ, KE, XK, KG, LV, LR, LI, LT, LU, MO, MK, MG, MW, MY, ML, MT, MQ, MU, YT, MX, MD, MN, ME, MS, MA, NR, NL, NZ, NI, NE, NG, NO, OM, PK, PS, PA, PG, PY, PE, PL, PT, PR, QA, RE, RO, RW, BL, KN, LC, MF, VC, WS, SA, SN, RS, SC, SL, SG, SX, SK, SI, ZA, KR, ES, LK, SZ, SE, CH, TW, TZ, TH, TO, TT, TR, TC, VI, UG, UA, GB, US, UY, UZ, VN.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:31.652647+00:00; checkout unverified. Official offer source

Offline bounded advertised-offer review. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

View GigSky offer

World Plan Lite · global coverage

100 GB · 180 days

$179.99 USD base

Observed 2026-10-10T20:48:32.642622+00:00. Tax basis and checkout unverified.

Coverage and requirements

119 listed countries: AL, AO, AI, AG, AR, AM, AU, AT, BS, BD, BB, BE, BM, BO, BQ, BR, VG, BG, CA, KY, CL, CN, CO, CD, CR, HR, CW, CY, CZ, DK, DM, DO, EC, SV, EE, FO, FJ, FI, FR, GF, DE, GR, GD, GP, GT, GG, HN, HU, IS, IN, ID, IE, IM, IL, IT, JM, JP, JE, JO, KZ, LV, LI, LT, LU, MO, MK, MY, MT, MQ, YT, MX, MD, ME, MS, NR, NL, NZ, NI, NO, OM, PS, PA, PY, PE, PL, PT, PR, QA, RE, RO, RU, BL, KN, LC, MF, VC, WS, RS, SX, SK, SI, ZA, KR, ES, LK, SE, CH, TW, TZ, TH, TO, TR, TC, VI, UA, GB, US, UY, VN.

Service unavailable in: RU.

Age 18 or above; account with associated valid SIM/eSIM; compatible unlocked device. These ordinary requirements are disclosed, not individually verified.

Service disabled in the named destinations.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-10T20:48:32.642622+00:00; checkout unverified. Official offer source

Retained advertised offer, not a live quote. World Plan Lite; native 52871/172830/180 days. Publicly advertised product with matching native base USD bundle quote; tax basis and checkout unknown. No special eligibility restriction established; ordinary service requirements apply and individual customer eligibility is not verified. Public product page retained; live interactive selector not independently observed. Merchant-normalized numeric GB; not verified display text or metered byte entitlement. No historical SKU continuity inferred; promotion not applied.

Tax basis and final checkout total unknown.

View GigSky offer

Japan Unlimited

30 individually priced durations, with daily high-speed limits.

Japan · country coverage

Unlimited · 8 days

$27.49 USD base

Observed 2026-10-11T18:28:17.259Z. Tax basis and checkout unverified.

Daily high-speed allowance: 3.5 GB in the merchant wording (3,758,096,384 bytes), then 500 kbps. Full-speed data is not unlimited.

Coverage and requirements

1 listed countries: JP.

Age 18+; account and associated valid SIM/eSIM; compatible unlocked device. Individual compliance unverified.

No special customer restriction established. Individual eligibility is not verified.

Offer source and terms

Advertised base price observed 2026-10-11T18:28:17.259Z; checkout unverified. Official offer source

Daily high-speed allowance: 3.5 GB (3758096384 native bytes), then up to 500 kbps for all apps. Reset: unknown; reset evidence date unknown (exact time unknown for date-only evidence). Native policy source observed 2026-10-11T18:28:17.259Z. Complete policy, hotspot and activation terms remain unverified.

Retained advertised offer, not a live quote. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

Recorded product policy source
View GigSky offer

Prices are for one bundle, without assumed repeat purchases. Promotions are separate observations. Coverage, ordinary service requirements and source dates remain attached to each offer.

PAYG usage example
$2.45
Roamless · 1GB, pay-as-you-go
Get this Roamless plan
Lowest stored $/GB
$0.55
GoMoWorld · 55GB / 30 days · $29.99 total
Get this GoMoWorld plan
Plans tracked
119
across 6 providers, stored snapshots
Stored unlimited price
$3.49
GigSky · 1-day unlimited plan
Get this GigSky plan

Every plan we track for Japan

119 plans across 6 providers, sorted by price-per-gigabyte. Numbers come from stored country-plan snapshots. Confirm current prices with the provider. Showing 16 below - the 14 cheapest by $/GB plus each provider's best plan and qualified website observations.
Saily: 9 historical entries excluded from current comparisons

These historical variants cannot be matched reliably to current merchant products. We compare separately captured offers instead. This does not establish that the old plans were discontinued or that a current offer descends from any particular old entry.

  • UnlimitedGB · 7 days · historical $26.99 · 2026-03-17 · not a current quote
  • 20GB · 30 days · historical $24.99 · 2026-03-17 · not a current quote
  • 10GB · 30 days · historical $17.99 · 2026-03-17 · not a current quote
  • UnlimitedGB · 5 days · historical $18.99 · 2026-03-17 · not a current quote
  • UnlimitedGB · 30 days · historical $71.99 · 2026-03-17 · not a current quote
  • UnlimitedGB · 25 days · historical $65.99 · 2026-03-17 · not a current quote
  • UnlimitedGB · 20 days · historical $59.99 · 2026-03-17 · not a current quote
  • UnlimitedGB · 10 days · historical $34.99 · 2026-03-17 · not a current quote
  • UnlimitedGB · 15 days · historical $48.99 · 2026-03-17 · not a current quote
GoMoWorld logoGoMoWorld
$29.99
Offer source and terms

Legacy extraction 2026-03-17; not rechecked.

Recorded currency is unconfirmed; this is not a verified USD offer.

Data
55GB
Days
30
$/GB
$0.55
Network
NTT Docomo, KDDI au, SoftBank · 5G
Get this plan →
GoMoWorld logoGoMoWorld
$19.99
Offer source and terms

Legacy extraction 2026-03-17; not rechecked.

Recorded currency is unconfirmed; this is not a verified USD offer.

Data
35GB
Days
30
$/GB
$0.57
Network
NTT Docomo, KDDI au, SoftBank · 5G
Get this plan →
GoMoWorld logoGoMoWorld
$10.99
Offer source and terms

Legacy extraction 2026-03-17; not rechecked.

Recorded currency is unconfirmed; this is not a verified USD offer.

Data
17GB
Days
30
$/GB
$0.65
Network
NTT Docomo, KDDI au, SoftBank · 5G
Get this plan →
Nomad logoNomad
$35.00
Offer source and terms

Advertised offer observed 2026-10-02. Official offer source

No sale badge observed. Final checkout not observed.

Advertised USD totals; final checkout not observed. Nomad general plan detail says taxes included, but no Japan-specific tax row was shown in the product dialogs.

Data
50GB
Days
30
$/GB
$0.70
Network
KDDI au, SoftBank · 4G/5G
Get this plan →
GoMoWorld logoGoMoWorld
$35.99
Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source

Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.

Data
45GB
Days
30
$/GB
$0.80
Network
Network names and 5G availability unknown
Get this plan →
GoMoWorld logoGoMoWorld
$24.99
Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source

Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.

Data
30GB
Days
30
$/GB
$0.83
Network
Network names and 5G availability unknown
Get this plan →
GoMoWorld logoGoMoWorld
$12.99
Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source

Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.

Data
14GB
Days
30
$/GB
$0.93
Network
Network names and 5G availability unknown
Get this plan →
Virgin Connect logoVirgin Connect
$49.00
Offer source and terms

Qualified advertised offer observed 2026-10-03; HTML-only, checkout unverified. Official offer source

Advertised USD bundle price from retained HTML cards. JSON-LD and checkout totals were not verified; policy findings were reviewed separately.

Advertised USD bundle price; final checkout total and tax inclusion were not verified. Terms section 7.2 shows VAT and fees separately where applicable.

Official policies reviewed separately 2026-10-03 (date-only review). Data-only; validity starts on first supported network connection.

Hotspot supported; quota unknown. Japan network names, 5G availability and fair-use/throttling terms remain unknown.

Queued plans must start within 12 months of purchase. The profile expires 12 months after last use. Unused data is forfeited.

Refunds are conditional: 15 calendar days for unused plans, subject to installation or activation restrictions; no refund after consumption. Technical issues have a separate 30-day resolution provision.

Personal use only. Account and unlocked compatible device required; age must be more than 18. Identity documents may be required.

Policy sources: esim japan · terms and conditions · esim · my plan · managing esims · frequently asked questions

Data
50GB
Days
30
$/GB
$0.98
Network
Network names and 5G availability unknown
Get this plan →
Virgin Connect logoVirgin Connect
$98.00
Offer source and terms

Qualified advertised offer observed 2026-10-03; HTML-only, checkout unverified. Official offer source

Advertised USD bundle price from retained HTML cards. JSON-LD and checkout totals were not verified; policy findings were reviewed separately.

Advertised USD bundle price; final checkout total and tax inclusion were not verified. Terms section 7.2 shows VAT and fees separately where applicable.

Official policies reviewed separately 2026-10-03 (date-only review). Data-only; validity starts on first supported network connection.

Hotspot supported; quota unknown. Japan network names, 5G availability and fair-use/throttling terms remain unknown.

Queued plans must start within 12 months of purchase. The profile expires 12 months after last use. Unused data is forfeited.

Refunds are conditional: 15 calendar days for unused plans, subject to installation or activation restrictions; no refund after consumption. Technical issues have a separate 30-day resolution provision.

Personal use only. Account and unlocked compatible device required; age must be more than 18. Identity documents may be required.

Policy sources: esim japan · terms and conditions · esim · my plan · managing esims · frequently asked questions

Data
100GB
Days
30
$/GB
$0.98
Network
Network names and 5G availability unknown
Get this plan →
GoMoWorld logoGoMoWorld
$3.99
Offer source and terms

Legacy extraction 2026-03-17; not rechecked.

Recorded currency is unconfirmed; this is not a verified USD offer.

Data
3.5GB
Days
7
$/GB
$1.14
Network
NTT Docomo, KDDI au, SoftBank · 5G
Get this plan →
Nomad logoNomad
$23.00

Public sale

Offer source and terms

Advertised offer observed 2026-10-02. Official offer source

Public sale; observed reference price $26.00.

Public sale; no coupon, new-user restriction or expiry shown. Confirm current price before purchase.

Advertised USD totals; final checkout not observed. Nomad general plan detail says taxes included, but no Japan-specific tax row was shown in the product dialogs.

Data
20GB
Days
30
$/GB
$1.15
Network
KDDI au, SoftBank · 4G/5G
Get this plan →
Saily logoSaily
$23.99
Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; full product and policy review dates unknown. Official offer source

New partial public offer from retained 10 October USD page/session evidence. Current native UUID, singleton country coverage, allowance, duration and advertised amount are observed. Product/SKU identity beyond that UUID is unknown; package_identifier is absent. 3% Saily credits are rewards, not deducted. Checkout, tax, network, 5G, hotspot, activation and refund terms are unverified. Full product and policy review dates are unknown; do not inherit sibling-offer or provider-profile features.

Data
20GB
Days
15
$/GB
$1.20
Network
Network names and 5G availability unknown
Get this plan →
Virgin Connect logoVirgin Connect
$24.00
Offer source and terms

Qualified advertised offer observed 2026-10-03; HTML-only, checkout unverified. Official offer source

Advertised USD bundle price from retained HTML cards. JSON-LD and checkout totals were not verified; policy findings were reviewed separately.

Advertised USD bundle price; final checkout total and tax inclusion were not verified. Terms section 7.2 shows VAT and fees separately where applicable.

Official policies reviewed separately 2026-10-03 (date-only review). Data-only; validity starts on first supported network connection.

Hotspot supported; quota unknown. Japan network names, 5G availability and fair-use/throttling terms remain unknown.

Queued plans must start within 12 months of purchase. The profile expires 12 months after last use. Unused data is forfeited.

Refunds are conditional: 15 calendar days for unused plans, subject to installation or activation restrictions; no refund after consumption. Technical issues have a separate 30-day resolution provision.

Personal use only. Account and unlocked compatible device required; age must be more than 18. Identity documents may be required.

Policy sources: esim japan · terms and conditions · esim · my plan · managing esims · frequently asked questions

Data
20GB
Days
30
$/GB
$1.20
Network
Network names and 5G availability unknown
Get this plan →
Saily logoSailyJapan 20GB 30 days · country coverage
$24.99
Offer source and terms

Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Japan 20GB 30 days · country coverage.

Native fixed allowance: 20 GB; duration and USD bundle price are advertised in the saved catalog.

Exact covered countries: JP. Network, 5G, hotspot, activation, refund, complete policy, individual eligibility and final checkout total unverified. Browser observation is date-only; original network timing and HTTP status are unknown.

Offer selection and availability may vary by session. Confirm the duration and price with Saily.

View Saily options · Official source
Data
20GB
Days
30
$/GB
$1.25
Network
Offer network and 5G availability unknown
Get this plan →
GigSky logoGigSkyJapan · country coverage
$16.79
Offer source and terms

Advertised base price observed 2026-10-11T18:28:17.259Z; checkout unverified. Official offer source

Retained advertised offer, not a live quote. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

Data
10 GB
Days
30
$/GB
$1.68
Network
Offer network and 5G availability unknown
Get this plan →
Roamless logoRoamless
$7.35
Offer source and terms

Advertised FLEX rate observed 2026-10-10; usage illustration; other terms not rechecked. Official offer source

Advertised FLEX rate: $2.45/GB. Synthetic usage illustration, not a merchant bundle. Original product evidence: 2026-03-17. Other product and policy terms, wallet top-up, tax and checkout total were not verified.

PAYG usage illustration; the required wallet top-up is unknown.

Data
3GB
Days
PAYG
$/GB
$2.45
Network
Network details not rechecked with this price
Get this plan →

Stored prices may have changed. Google Fi is excluded from the value ranking because it is a full phone plan rather than a travel data plan.

How much data will I actually use in Japan?
Most travelers buy too much data and overpay, or buy too little and have to top up. Tell us your trip and we will size the plan based on typical usage.
Trip length
1 day10 days30 days
How you will use it
You will likely need
4 GB
0.4 GB/day × 10 days, with a small buffer
See 4 GB plans for Japan →
Idea in testingOur own eSIM · not yet available

What if it was just $5.00 a GB, everywhere?

We are considering a BetterSIM eSIM at one flat rate worldwide. No tiers, no bundles, no per-country price shopping, no volume discounts you never reach. The same $5.00 in Japan as in Fiji or Kenya.

Your 4 GB would cost$20.00($5.00/GB, credit never expires)

Straight answer: this would not be the cheapest option. The plans listed on this page are often less per GB, especially in Europe and Asia. It would be the simplest. Savings against Google Fi depend on usage, Bill Protection and speed needs.

How this would work

Network coverage, region by region

Most “best eSIM” pages tell you Japan has good coverage and stop there. Here is what actually works where, by region, sourced from carrier roaming agreements and updated when carriers change partners.
Tokyo, Osaka and Kyoto Metros
Excellent

All three carriers deliver dense 5G across central Tokyo and Osaka, with NTT Docomo holding the widest 5G availability. For visitors, coverage is consistently excellent across all three cities.

Shinkansen Corridors (Tokaido, Sanyo, Tohoku lines)
Strong

The main bullet train routes have good 4G along most of the journey, but every carrier drops signal briefly in tunnels. The Tohoku and Hokuriku lines have longer mountain tunnels where gaps last a minute or more, and Docomo is marginally stronger on these northern routes.

Rural Hokkaido
Variable

NTT Docomo is the clear choice here and the only carrier that reaches many remote towns and farming areas. SoftBank and KDDI au coverage thins out beyond cities like Sapporo and Asahikawa, with genuine dead zones in the sparsely populated interior.

Japanese Alps and Mountain Hiking Areas
Variable

Docomo has the strongest mountain coverage and is the carrier most likely to give a usable signal on popular trails and at mountain huts. Above the treeline and on remote ridgelines, all carriers can lose signal entirely, so do not rely on cellular as your only safety tool.

Okinawa and the Southern Islands
Good

KDDI au has the strongest and most consistent coverage across Okinawa's main island and the smaller islands of the chain. SoftBank is fast in Naha city but can be patchy on less developed outer islands.

City-by-city connectivity in Japan

Carrier coverage is the same nationwide story; the airport, the subway, and the free WiFi situation change city by city. Here is what travelers asking specifically about these cities actually need to know.

Tokyo

Arriving
Narita (NRT) and Haneda (HND). Most travel eSIMs activate the moment your phone connects to a Japanese network, which typically happens at the gate before you reach immigration. Install before you fly and turn on data roaming as the plane lands.
On the subway and rail
Tokyo Metro and Toei Subway both have continuous cellular signal on every line, including in tunnels and on station platforms. The full underground network was completed in 2020. Shinkansen routes out of Tokyo Station also stay covered for most of the trip, with brief drops in long mountain tunnels.
Free public WiFi
Free public WiFi exists but is fragmented across networks (Tokyo Free WiFi, FREESPOT, Starbucks, FamilyMart, JR-EAST). Most require email registration or social login the first time you connect, and sessions time out after 60-180 minutes. A travel eSIM is significantly less friction.
Coverage in the city
Tokyo has the most consistent mobile coverage of any city in Japan. NTT Docomo holds the widest 5G footprint, with KDDI au and SoftBank close behind. Even basement train platforms and the inside of buildings like Tokyo Station have usable signal. Outer neighborhoods like Setagaya and Adachi see no meaningful coverage drop versus central Shibuya or Shinjuku.
If you prefer a local SIM
If you prefer a physical SIM, Bic Camera and Yodobashi Camera at both Narita and Haneda sell tourist SIMs from Sakura Mobile, Mobal, and IIJmio. Vending machines at Narita Terminal 1 and Haneda International also sell tourist data SIMs, but the price is usually higher than a travel eSIM bought before you fly.

Kyoto

Arriving
Kyoto has no airport of its own. Most travelers arrive via Kansai International (KIX) and take the Haruka Limited Express from KIX to Kyoto Station, an 80-minute ride that keeps cellular signal throughout. Many also arrive by Shinkansen from Tokyo (2h 20m) or Osaka (15 min), both routes have signal except for brief drops in long mountain tunnels.
On the subway and rail
Kyoto Subway has two lines (Karasuma and Tozai), both with continuous cell signal on platforms and in tunnels. Kyoto City Bus is the primary way tourists reach temples and shrines, and has reception across almost every route apart from the mountain lines toward Kurama and Kibune, where forested valleys swallow the signal. Keihan, Hankyu, and Eizan railways are all well covered across their networks.
Free public WiFi
KYOTO Wi-Fi is the city free network, available at major train stations, sightseeing spots, and Sanjo and Shijo shopping arcades. Registration via email or social login is required for the first session. Slower than the Tokyo public WiFi network but reliable when connected.
Coverage in the city
All three Japanese carriers maintain strong coverage across Kyoto. NTT Docomo has the widest 5G availability; KDDI au and SoftBank are close behind. Coverage holds in most temple and shrine grounds including Kinkaku-ji, Fushimi Inari, and Kiyomizu-dera, with brief drops inside the thickest stone-walled rooms of older temples and in the bamboo grove at Arashiyama.
If you prefer a local SIM
Bic Camera at Kyoto Station sells the same tourist SIMs (Sakura Mobile, Mobal, IIJmio) available at airports. Yodobashi Camera near Kyoto Station has a similar selection. Most travelers will find the SIM selection at Kansai Airport better than in Kyoto itself, so buy before you board the Haruka if you want a physical SIM.

Local Network Insights

Curated tips to help you stay connected in Japan.

Japan's big three carriers (NTT Docomo, KDDI au, and SoftBank) deliver dense 5G in Tokyo, Osaka, and along Shinkansen corridors, with LTE handling mountain and coastal towns. An eSIM lets you join those networks instantly on arrival, avoiding the airport SIM queues.

Connectivity Overview

What to expect for mobile connectivity in Japan.

Japan has extensive mobile networks from NTT Docomo, KDDI au, and SoftBank. Service is available across major cities and many main travel routes, but the network included in your eSIM plan matters. Rural areas, mountains, outer islands and train tunnels can have gaps; check the partner carrier and its coverage map for your itinerary.

Japan's efficient public transit system integrates well with mobile connectivity - you can use data for real-time train schedules, IC card top-ups, and Google Translate's camera feature for reading menus and signs. Free public Wi-Fi exists but is limited and often requires registration, making a data eSIM far more practical for daily navigation.

Practical Data Tips

  • Expect signal gaps in train tunnels; download tickets and maps before traveling
  • Download Google Translate's Japanese language pack for offline camera translation
  • Public Wi-Fi requires registration in most places - an eSIM is far more convenient
  • Check rural and island coverage against the network included in your plan
  • Consider a 7-day 3GB plan for a typical week-long trip with moderate usage

At a Glance

Average Data Cost

~$0.89-$2/GB

Network Quality

5G and 4G availability varies by carrier, plan and location. Rural areas, mountains, islands and tunnels can have coverage gaps.

eSIM Availability

eSIM widely supported. No local registration required for tourist eSIM plans.

Major Carriers

NTT Docomo
KDDI au
SoftBank

Recommended Providers for Japan

GoMoWorld logo
Free 1GB Trial
GoMoWorld
4.0·832onTrustpilotAppsiOS 4.8Android 4.4

Plans for Japan

From $3.99

DataValidityPrice
3 GB7 days$4.99
14 GB30 days$12.99
55 GB30 days$29.99
Get eSIM
Nomad logo
Nomad
4.3·35konTrustpilotAppsiOS 4.8Android 4.7

Plans for Japan

From $4.00

DataValidityPrice
1 GB7 days$4.00
3 GB30 days$7.00
10 GB30 days$16.00
Unlimited3 days$11.00
KDDI au
SoftBank
Docomo
Get eSIM
Virgin Connect logo
Virgin Connect
No third-party service rating yetAppsiOS 4.6Android 4.1

Plans for Japan

From $4.00

DataValidityPrice
1 GB7 days$4.00
3 GB30 days$7.00
10 GB30 days$15.00
100 GB30 days$98.00
Get eSIM
Roamless logo
$5 Credit - Code 4ZTCB
Roamless
4.5·1.4konTrustpilotAppsiOS 4.7Android 3.5

Plans for Japan

From $2.45

Pay-as-you-go: $2.45/GB

DataValidityPrice
1 GBNo expiry$2.45
3 GBNo expiry$7.35
10 GBNo expiry$24.50
Get eSIM
Saily logo
$5 Off - Code JEDASE9317
Saily
4.7·25konTrustpilotAppsiOS 4.7Android 4.6

Plans for Japan

From $3.49

DataValidityPrice
1 GBJapan 1GB 7 days · country coverage7 days$3.99
3 GBJapan 3GB 30 days · country coverage30 days$7.99
10 GBJapan 10GB 30 days · country coverage30 days$17.99
UnlimitedJapan UNLIMITED 5 days · country coverage5 days$18.99
Get eSIM
GigSky logo
Up to 500MB Free Trial
GigSky
4.3·3.1konTrustpilotAppsiOS 4.5Android 4.2

Plans for Japan

From $2.99

DataValidityPrice
1 GBJapan · country coverage7 days$2.99
3 GBJapan · country coverage15 days$7.49
10 GBJapan · country coverage30 days$16.79
UnlimitedJapan · country coverage1 days$3.49
Browse all 48 GigSky variants, including 30 Unlimited variants
Offer source and terms

Advertised base price observed 2026-10-11T18:28:17.259Z; checkout unverified. Official offer source

Retained advertised offer, not a live quote. Native identity and exact merchant quantity retained; historical continuity unknown. Ordinary service requirements apply; individual eligibility, tax, checkout, activation, hotspot and complete policy unverified. No inferred promotion or activation-relative reset.

Tax basis and checkout total unknown.

Get eSIM
Google Fi logo
US Residents Only
Google Fi
No third-party service rating yetAppsiOS 4.4Android 4.1

Plans for Japan

From $10.00

Pay-as-you-go: $10.00/GB

DataValidityPrice
1 GB30 days$10.00
3 GB30 days$30.00
10 GB30 days$60.00
Get eSIM

Before you fly: a 6-step checklist

The mistakes that cost travelers in Japan are almost always procedural, not which-eSIM-did-you-buy. Here is the order of operations that works.
  1. 1

    Buy and install at home on WiFi.

    Installation is not the same as activation. You can install the Japan eSIM days ahead and only switch it on after you land, which avoids burning days of validity in transit.

  2. 2

    Screenshot your current APN before you swap.

    If you ever need to switch back to your home line quickly, that screenshot saves a support call from a foreign airport.

  3. 3

    Choose your travel data line.

    On iPhone, select your travel eSIM in Settings > Cellular > Cellular Data. Follow your provider's roaming and activation instructions. Choosing a data line does not by itself prevent charges on your home line.

  4. 4

    Decide whether to keep your home line on.

    You do not need to disable iMessage simply because you use a travel eSIM. Apple’s travel eSIM guidance says iMessage and FaceTime can continue using your home line while traveling. If you keep both lines active for home-number calls or SMS, your carrier may charge roaming fees. Check your carrier’s terms before leaving your home line on.

  5. 5

    Download offline maps for Japan.

    Google Maps and Apple Maps both support offline regions. Pull them down on home WiFi so a flaky activation never leaves you without a route from the airport. Our offline maps guide walks through it step by step.

  6. 6

    Activate at the airport, not before.

    Once the validity timer starts it does not pause. A 15-day plan you turn on the morning of departure burns a full day of validity before you even land.

Questions other travelers asked

Pulled from the real search queries that land people on this page. We keep adding to this as new questions about Japan eSIMs come in.

Reports from travelers

Short, verified notes from people who actually used these plans in Japan. Not testimonials, not paid placements.

We are building this section from real, verified traveler submissions rather than stock testimonials, so it stays empty until we have notes we can stand behind. If you have used an eSIM in Japan recently, a one-paragraph note on what worked (and what did not) helps the next traveler.

Share a report

Other Japan trip questions

Specific scenarios and guides we have written for travelers headed to Japan. Each link goes to a focused page, not a generic listicle.

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Which holds up for Japan trips, head-to-head.

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Which holds up for Japan trips, head-to-head.

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Which holds up for Japan trips, head-to-head.

eSIM setup guide for Japan

Step-by-step activation on iPhone, Pixel, and Samsung Galaxy.

Travel tips while connected in Japan

Hotspot strategy, dual-SIM setup, what to do if data drops.

Offline maps for Japan

Why every traveler should pre-download maps before takeoff.

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How we built this page

Country plan prices come from stored supplier snapshots. The catalog contains different data amounts and validity periods. Provider ordering uses the unweighted average $/GB of fixed plans, or the PAYG rate; unlimited plans are excluded from that average. Check a plan’s data, validity and total price against your trip before buying.

How we score plans What is an eSIM? Find a plan for your trip