Unlimited Japan eSIM plans
Compare unlimited offers while accounting for high-speed allowances and hotspot restrictions.
Compare high-speed limits before choosing
Unlimited plans can reduce speeds after a daily allowance or a total allowance for the whole plan. A daily threshold resets; a plan threshold does not. Neither guarantees uninterrupted full-speed service.
| Provider / validity | Total price | High-speed allowance | After allowance | Hotspot |
|---|---|---|---|---|
| Holafly1 days | €3.79€3.79Price verified 2026-10-02 | High-speed allowance not verified | Reduced speed not verified | Hotspot: 1 GB/day |
| Nomad3 days | €9.65€9.65Price verified 2026-10-02 | 2 GB high-speed per day | Then up to 1 Mbps | Hotspot supported; limit not verified |
| Airalo3 days | €10.50€10.50Price verified 2026-10-02 | 3 GB high-speed per day | Then up to 1 Mbps | Hotspot: no separate cap; shared plan allowance applies |
| Holafly3 days | €10.53$11.90Price verified 2026-10-02 | High-speed allowance not verified | Reduced speed not verified | Hotspot: 1 GB/day |
| Airalo5 days | €15.50€15.50Price verified 2026-10-02 | 3 GB high-speed per day | Then up to 1 Mbps | Hotspot: no separate cap; shared plan allowance applies |
| Holafly5 days | €18.14$20.50Price verified 2026-10-02 | High-speed allowance not verified | Reduced speed not verified | Hotspot: 1 GB/day |
| Nomad7 days | €21.93€21.93Price verified 2026-10-02 | 2 GB high-speed per day | Then up to 1 Mbps | Hotspot supported; limit not verified |
| Airalo7 days | €24.00€24.00Price verified 2026-10-02 | 3 GB high-speed per day | Then up to 1 Mbps | Hotspot: no separate cap; shared plan allowance applies |
| Holafly7 days | €24.34$27.50Price verified 2026-10-02 | High-speed allowance not verified | Reduced speed not verified | Hotspot: 1 GB/day |
| Ubigi8 days | €22.13$25.00Price verified 2026-10-02 | 5 GB high-speed per day | Then up to 2 Mbps | Hotspot supported; limit not verified |
| Airalo10 days | €31.50€31.50Price verified 2026-10-02 | 3 GB high-speed per day | Then up to 1 Mbps | Hotspot: no separate cap; shared plan allowance applies |
| Holafly10 days | €32.31$36.50Price verified 2026-10-02 | High-speed allowance not verified | Reduced speed not verified | Hotspot: 1 GB/day |
| Nomad14 days | €35.97€35.97Price verified 2026-10-02 | 2 GB high-speed per day | Then up to 1 Mbps | Hotspot supported; limit not verified |
| Ubigi15 days | €34.52$39.00Price verified 2026-10-02 | 30 GB high-speed per plan | Then up to 2 Mbps | Hotspot supported; limit not verified |
| Saily15 days | €43.36$48.99Price verified 2026-10-02 | 5 GB high-speed per day | Then up to 1 Mbps | Hotspot supported; limit not verified |
| Airalo15 days | €43.50€43.50Price verified 2026-10-02 | 3 GB high-speed per day | Then up to 1 Mbps | Hotspot: no separate cap; shared plan allowance applies |
| Holafly15 days | €44.70$50.50Price verified 2026-10-02 | High-speed allowance not verified | Reduced speed not verified | Hotspot: 1 GB/day |
| Nomad21 days | €42.99€42.99Price verified 2026-10-02 | 2 GB high-speed per day | Then up to 1 Mbps | Hotspot supported; limit not verified |
| Ubigi30 days | €57.53$65.00Price verified 2026-10-02 | 60 GB high-speed per plan | Then up to 2 Mbps | Hotspot supported; limit not verified |
| Airalo30 days | €62.50€62.50Price verified 2026-10-02 | 3 GB high-speed per day | Then up to 1 Mbps | Hotspot: no separate cap; shared plan allowance applies |
| Holafly30 days | €65.41$73.90Price verified 2026-10-02 | High-speed allowance not verified | Reduced speed not verified | Hotspot: 1 GB/day |
Daily and total limits behave differently
A 2 GB daily allowance can cover 14 GB over seven days if usage stays within each daily allowance. It cannot give you 14 GB at full speed on one day. A 30 GB plan allowance can instead be consumed across the plan’s validity, after which reduced speeds apply. The finder compares these limits against your estimated use before recommending a plan.
Does unlimited include unlimited hotspot?
No assumption is made. Sharing support and its separate limits need verification. Holafly’s quantified high-speed threshold remains unknown in this snapshot, so its unlimited offers appear here for comparison but cannot qualify for a recommendation.
Choose for your own trip
Light use assumes 0.5 GB/day, regular use 1 GB/day and heavy use 2 GB/day. Unlimited preference also checks a 2 GB/day high-speed estimate. Real usage varies; hotspot shares the data budget.
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