Simify Japan eSIM
Simify Japan eSIM: Japan-wide data plans range up to 100 GB for 90 days, with hotspot on fixed plans. Ranked #42 of 60 in Japan eSIM Plans by our editors (4.5/10); pricing: Paid; best for longer-stay travelers needing larger data allowances.
At a glance
- Editor score4.5 / 10
- PricingPaid
- Best forLonger-stay travelers needing larger data allowances
- Free planNo
- Data typeFixed
- Facts checked3 Oct 2026
Where it wins
- Fixed allowances range from 5 GB for 7 days to 100 GB for 90 days
- Japan-wide coverage with 4G/5G and strongest-local-network selection
- Hotspot and tethering are supported on fixed plans
Where it doesn't
- Data-only service does not include a voice or SMS plan
- Hotspot support is specified for fixed plans, not the unlimited option
- Plan management and installation are through the Simify mobile app
Our verdict on Simify Japan eSIM
Simify Japan eSIM is a data-only travel eSIM for visitors who want mobile data across Japan rather than a voice-and-text plan. Its fixed-data lineup includes several allowance and validity combinations, from 5 GB for 7 days through 100 GB for 90 days, alongside an unlimited-data option. It is a fit for solo travelers and small groups prioritizing data capacity, particularly on longer trips. The eSIM works on iOS and Android, and installation can happen before departure.
The range of fixed plans is the clearest distinction: travelers can choose 10 GB, 20 GB or 30 GB for 30 days, or opt for 45 GB over 45 days and 60 GB over 60 days. The published starting price is 21.75 for the 5 GB / 7 days plan. The product is paid, with no free plan. An unlimited option is available, but its plan durations and price are not included here, so buyers comparing total trip cost should focus on the visible fixed-data choices rather than assume the unlimited plan is a better value. Hotspot and tethering are supported on fixed plans.
Japan-wide coverage, 4G/5G connectivity and selection of the strongest available local network address travel across the country; the vendor describes 4G/5G speeds for most cities and towns. The plan validity clock begins on the first connection to a local network in Japan, rather than at installation, which lets travelers install ahead of time. Management is through the Simify app, and the eSIM can be used alongside a home SIM. Choose it if a Japan-only data plan and generous fixed allowances suit your itinerary. Look elsewhere if you need voice service or prefer not to manage connectivity through a mobile app.
Simify Japan eSIM pricing
All 7 Simify Japan eSIM plans and prices →
Simify Japan eSIM fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Data type | Fixed |
| Data allowance | 5 GB |
| Validity | 7 days |
| Hotspot support | Yes |
| Coverage scope | Japan_only |
| Activation timing | First_connection |
| Deployment | Mobile |
| Platforms | iOS, Android |
| Support | Docs · 24/7 |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Paid (source) |
| Website | simify.com |
| Facts checked | 3 Oct 2026 |
Alternatives to Simify Japan eSIM
- AiraloA broad Japan eSIM lineup with app tracking, low-data alerts, and eligible top-ups.9.3
- Orange TravelA flexible prepaid choice, from a €1 1 GB bundle to larger and unlimited plans.9.1
- Vodafone Travel eSIMJapan data plans range from fixed bundles to unlimited and shared options.9.0
See all Simify Japan eSIM alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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