Connected in Japan 
eSIM Japan
Stay Connected in the Land of the Rising Sun
Choose a Japan eSIM plan
Choose the perfect plan for your Japan adventure
1 GB
7 Days- 1 GB Internet
- Wi-Fi Hotspot Allowed
- Instant Activation
- Validity Starting on First Use
3 GB
30 Days- 3 GB Internet
- Wi-Fi Hotspot Allowed
- Instant Activation
- Validity Starting on First Use
5 GB
30 Days- 5 GB Internet
- Wi-Fi Hotspot Allowed
- Instant Activation
- Validity Starting on First Use
Unlimited
7 Days- Unlimited internet at 10 Mbps (Tethering 9GB)
- Wi-Fi Hotspot Allowed
- Instant Activation
- Validity Starting on First Use
10 GB
30 Days- 10 GB Internet
- Wi-Fi Hotspot Allowed
- Instant Activation
- Validity Starting on First Use
20 GB
30 Days- 20 GB Internet
- Wi-Fi Hotspot Allowed
- Instant Activation
- Validity Starting on First Use
50 GB
90 Days- 50 GB Internet
- Wi-Fi Hotspot Allowed
- Instant Activation
- Validity Starting on First Use
All plans include 4G/5G coverage across Japan • No contracts • Instant Activation
Why travelers choose Esimy
- No contracts
- 24-hour days, counted from your first connection at your destination
- Add data to the same eSIM anytime
- Wi-Fi hotspot: Some plans limit hotspot data
Before you buy your Japan eSIM
Is my phone compatible?
Quick check: dial *#06# on your phone. If an EID number appears, your phone supports eSIM. It also needs to be carrier-unlocked.
How much data do I need?
A rough estimate based on typical use. Video and hotspot use the most data.
Best eSIM for Japan Travel with Nationwide Coverage
Exploring Japan? Whether you’re riding the bullet train to Kyoto, capturing cherry blossoms in Tokyo, or hiking Mt. Fuji, Esimy’s Japan eSIM delivers fast, reliable mobile data with no physical SIM or paperwork required.
We connect you to top Japanese networks like NTT Docomo, SoftBank, and KDDI (au) for 4G/5G coverage throughout Japan — even in rural and mountainous areas.
With instant email delivery and hotspot support, it’s the most convenient way to stay online during your Japan trip.
Japan eSIM at a glance
- Networks
- NTT Docomo, SoftBank, KDDI
- Speed
- 4G/LTE, 5G where available
- Plans
- 8 · from 1.99 €
- Validity
- 7–90 days 24-hour days, counted from your first connection at your destination
- Wi-Fi hotspot
- Allowed Some plans limit hotspot data
- Calls & SMS
- Data only
- Top-up
- Add data to the same eSIM anytime No new QR code needed
- Delivery
- Instant delivery by email and in the Esimy app
- Refunds
- Within 30 days of purchase if the QR code hasn't been scanned Refund policy
Compare Japan eSIM plans
- Lowest price 1 GB · 7 Days 1.99 €
- Best price per GB 50 GB · 90 Days 29.99 € · 0.60 €/GB
- Unlimited data Unlimited · 7 Days 14.99 €
| Data | Validity | Price | Per GB | Networks | Speed | Wi-Fi hotspot |
|---|---|---|---|---|---|---|
| 1 GB | 7 Days | 1.99 € | 1.99 € | NTT Docomo, SoftBank | 4G/5G | Allowed |
| 3 GB | 30 Days | 8.49 € | 2.83 € | NTT Docomo, SoftBank | 4G/5G | Allowed |
| 5 GB | 30 Days | 11.49 € | 2.30 € | NTT Docomo, SoftBank | 4G/5G | Allowed |
| Unlimited | 7 Days | 14.99 € | — | KDDI | Up to 10 Mbps | Up to 9 GB per plan |
| 10 GB | 30 Days | 20.99 € | 2.10 € | NTT Docomo, SoftBank | 4G/5G | Allowed |
| 20 GB | 30 Days | 24.99 € | 1.25 € | NTT Docomo, SoftBank | 4G/5G | Allowed |
| 50 GB | 90 Days | 29.99 € | 0.60 € | NTT Docomo, SoftBank | 4G/5G | Allowed |
| Unlimited | 15 Days | 29.99 € | — | KDDI | 4G/5G | Up to 3 GB per plan |
Unlimited plans are covered by our fair use policy. Terms of service
Need help with your Japan eSIM?
Real people, 24/7Message our support team on WhatsApp or by email. We help with installation, activation and connection problems, day and night.
How Esimy Works?
Select a Package
Choose from range of multiple countries/packages.
Scan QR Code with instructions received over your email
Easy activation with email details or our intuitive website dashboard.
Ready for travel!
Have the best trip possible without internet hassles.
Manage your eSIM with the Esimy App
Install, activate, and track your data — all from your phone.
- Add data to the same eSIM anytime
- Free 1 GB on every app order of 3 GB or more
- Send eSIMs as gifts and redeem the ones you receive
- Get notified about your data usage
- 5% back in your Esimy Wallet on every order
- Invite friends: €3 for you and €3 for them
Get it now
Available on the App Store and Google Play
eSIM vs Physical SIM Card in Japan
Compare the benefits of using an eSIM data plan versus a traditional SIM card for international travel to Japan.
Japan Travel & Connectivity Guide
Coverage
Tokyo, Osaka, Kyoto, Hiroshima, Fukuoka, Sapporo, Okinawa — plus full access in rural towns and along bullet train routes.
Best Networks
Enjoy superior speeds on NTT Docomo, KDDI (au), and SoftBank, Japan’s top-tier carriers.
Data Usage Tips
1–3 GB for short stays, 5–10 GB for travel and social use, 20 GB+ for long trips or remote work.
eSIM FAQs
Common questions about using eSIM in Japan
Do I need to present my identity when purchasing the eSIM to be activated?
No, the eSIM is activated exclusively online and it is KYC Free instantaneous activation with your name, surname, email, address and phone number, so there is no requirement of Identity.
