Japan eSIM plans
Instant deliveryYour eSIM for Japan is available from €2.99 and active straight away: in Japan it connects to the NTT Docomo, SoftBank, au by KDDI, Rakuten Mobile networks (4G/LTE, 5G where available), coverage 99. Install it by QR code before you leave — no roaming and no SIM swap.
- Instant email delivery
- 30-day returns
- Support in French
- Visa · Mastercard · Apple Pay · Google Pay · PayPal
eSIM for Japan — at a glance
- From
- €2.99
- Local networks
- NTT Docomo, SoftBank, au by KDDI, Rakuten Mobile
- Technology
- 4G/LTE & 5G
- Network coverage
- 99
- Activation
- QR code — install before you leave
- Recommended data
- 1–3 GB light use · 5 GB with social media · 10 GB+ streaming
All eSIM plans for Japan
| Data | Validity | Price |
|---|---|---|
| Unlimited | 1 day | €2.99 |
| Unlimited | 3 days | €7.99 |
| Unlimited | 5 days | €12.49 |
| Unlimited | 7 days | €16.99 |
| Unlimited | 10 days | €23.49 |
| Unlimited | 15 days | €34.99 |
| Unlimited | 30 days | €58.99 |
| 1 GB | 7 days | €2.99 |
| 2 GB | 15 days | €5.99 |
| 3 GB | 30 days | €6.99 |
| 5 GB | 30 days | €10.99 |
| 10 GB | 30 days | €19.99 |
| 20 GB | 30 days | €29.99 |
| 50 GB | 30 days | €45.99 |
Japan is one of the most fascinating and digitally dense destinations in the world. From the lanes of Kyoto to the neon of Shinjuku, from ancient temples to the robots of Akihabara's shopping centres, finding your way without a connection is simply unthinkable. Signs in Japanese, an ultra-complex train network, essential apps such as Google Maps or Hyperdia: everything relies on reliable internet access. With a Japan eSIM activated before you even board the plane, you land at Narita or Haneda already connected, without looking for a SIM counter or queuing. Total freedom, from the moment you leave the terminal.
Flight time from Paris
About 12 to 14 hours (direct flight or with a stopover depending on the destination — Tokyo, Osaka)
Time difference with France
+8h in winter, +7h in summer (Japan does not change its clocks)
Best time to visit
Spring (March–May) for the cherry blossom, autumn (October–November) for the maples
Power socket type
Type A — adapter essential, 100V voltage (check your charger's compatibility)
Why an eSIM is essential in Japan
Japan is paradoxical: technologically ultra-advanced, yet one of the countries where finding a local SIM remains complicated for a foreigner. Japanese operators such as NTT Docomo or SoftBank impose strict conditions in store, and English is not always available. Physical SIM vending machines at airports are often sold out at peak times, notably at Narita in the big tourist periods. A Simpartout eSIM gets around all these obstacles: you order from France, activate it at take-off or on landing, and the Japanese 4G/5G network, one of the best-performing and most reliable in the world with 99% coverage, takes over instantly. Ideal too for getting around the Tokyo metro, booking restaurants through Japanese apps or scanning QR codes wherever you go.
Network coverage in Japan
Operator
NTT Docomo
+ SoftBank
Technology
4G/LTE & 5G
Coverage
99
How to install your Japan eSIM
- 1
Buy your plan
Select the data plan matching your stay in Japan, then pay.
- 2
Scan the QR code
Aim your phone's camera at the QR code in the email we sent you.
- 3
Install the eSIM
Follow the instructions to install the eSIM. We recommend doing this before you leave.
- 4
Connect when you arrive
Upon reaching Japan, enable roaming on the eSIM data line to get online.
- 1
Buy your plan
Select the data plan matching your stay in Japan, then pay.
- 2
Scan the QR code
Aim your phone's camera at the QR code in the email we sent you.
- 3
Install the eSIM
Follow the instructions to install the eSIM. We recommend doing this before you leave.
- 4
Connect when you arrive
Upon reaching Japan, enable roaming on the eSIM data line to get online.
Recommended for you
Short trip
For a trip of 3 to 7 days, go for an unlimited plan.
Business trip
Video calls and emails: choose a high-speed plan.
Long stay
For a month or more, our high-capacity plans offer the best value for money.
Families
Several devices to connect? Pick a plan that allows hotspot sharing and comes with plenty of data.
eSIM, local SIM or Wi-Fi hotspot: which suits Japan best?
| eSIM | Local SIM card | Wi-Fi hotspot | |
|---|---|---|---|
| Activation | Instant (QR code) | Bought on arrival | Pick-up/delivery |
| Installation | 2 minutes | SIM swap | Extra device |
| Price | From €2.99 | €5–30 | €5–15/day |
| Network | Local 4G/LTE | Local 4G/LTE | Local 4G/LTE |
| Devices | 1 smartphone | 1 smartphone | Up to 5 devices |
| Flexibility | Top up at any time | Fixed data | Daily rental |
| Recommendation | Ideal for travellers | For long stays | For groups/families |