🇯🇵100% Japanese eSIM

Travel in Japan, simplified.

Enjoy a genuine Japanese eSIM with a local IP address. The best rates on the market, instant activation by QR code, and a reliable connection everywhere in Japan.

Télécharger sur l'App StoreDisponible surGoogle Play
Companion Mobile
Select your plan 🇯🇵

1GB

Validité : 7 daysOpérateur : IIJ
0.98 €

3GB

Validité : 30 daysOpérateur : IIJ
2.52 €

5GB

Validité : 30 daysOpérateur : IIJ
3.78 €
Recommandé

10GB

Validité : 30 daysOpérateur : IIJ
6.58 €
Recommandé

20GB

Validité : 30 daysOpérateur : IIJ
9.48 €

50GB

Validité : 30 daysOpérateur : IIJ
23.00 €
✓Native Japanese IP
⚡Active in 2 min
100%
Authentic Japanese IP
2 min
Instant activation
0.98€
Best price on the market
Japan
Nationwide coverage
Features

Why choose Companion Mobile?

An eSIM designed for demanding travelers who want an authentic, reliable Japanese connection at the best price.

A real Japanese eSIM

Unlike international eSIMs, our cards are issued by the Japanese carrier IIJ. You get a native Japanese IP address, essential to access every local service without restriction.

The best rates on the market

From just €0.98 for 1 GB, our plans are unbeatable. No hidden fees, no subscription. Pay only for what you need for your stay in Japan.

Instant activation by QR code

Scan your QR code and get connected in under 2 minutes. No need to remove a physical SIM card — everything happens straight from your phone, even before you land.

Full nationwide coverage

Thanks to the IIJ network, enjoy reliable 4G/LTE coverage across all of Japan. From Tokyo to Osaka, from Kyoto to rural areas, stay connected wherever you go.

Pricing

Plans for every trip

Choose the plan that fits your stay. All our plans include instant activation by QR code.

1GB
1.20€
Validité : 7 day
Activation instantanée
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3GB
3.10€
Validité : 30 day
Activation instantanée
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5GB
4.80€
Validité : 30 day
Activation instantanée
Choose this plan
Recommended
10GB
8.60€
Validité : 30 day
Activation instantanée
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Recommended
20GB
14.60€
Validité : 30 day
Activation instantanée
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50GB
27.00€
Validité : 30 day
Activation instantanée
Choose this plan
How it works

Connected in Japan in 3 steps

From purchase to connection, everything happens on your phone in just a few minutes.

1

Choose your plan

Select the data volume that matches the length of your stay in Japan. From 1 GB to 50 GB, there is a plan for every traveler.

2

Scan the QR code

After purchase, you receive an installation QR code. Scan it with your phone to install your eSIM in an instant.

3

You're connected!

Activate your eSIM when you arrive in Japan and enjoy a fast internet connection with a native Japanese IP address.

Testimonials

They travel connected with Companion Mobile

Thousands of travelers trust Companion Mobile for their internet connection in Japan.

I've tried many eSIMs for Japan, and Companion Mobile is by far the best. The Japanese IP makes all the difference for accessing local services. And the price is unbeatable!

ML
Marie L.Trip to Tokyo & Kyoto

Super-fast activation — I had internet on the train from Narita airport. The 10 GB plan was more than enough for two weeks. Highly recommend.

TD
Thomas D.2 weeks in Japan

It's my third trip to Japan and I never leave without Companion Mobile. The value for money is excellent and the app is really intuitive. Even my mum managed to set it up!

SK
Sophie K.Regular traveler to Japan
FAQ

Frequently asked questions

Everything you need to know before ordering your Japanese eSIM.

An eSIM is a digital SIM card built into your phone. It works like a regular SIM, but without a physical card. Most recent smartphones are compatible: iPhone XS and later, Samsung Galaxy S20 and later, Google Pixel 3 and later, and many more.
With a native Japanese IP, you access every Japanese online service without restriction: restaurant bookings, train ticket purchases, local streaming services, and much more.
Yes, absolutely! You can install your eSIM from home by scanning the QR code received after purchase. The eSIM will activate automatically when you arrive in Japan.
For basic use (GPS, messaging, email), 1 to 3 GB is enough for a week. For moderate use, go for 5 to 10 GB. For heavy users, the 20 GB or 50 GB plans are ideal.
You can buy a new plan directly from the app at any time. Activation is immediate.
We accept bank cards (Visa, Mastercard, American Express) as well as Google Pay. Payment is secure and you receive your QR code instantly.
Yes! The eSIM works alongside your main SIM card. You keep your usual number for calls and texts.

Ready for Japan?

Download Companion Mobile and order your Japanese eSIM in seconds. Your connection in Japan has never been this simple.

Télécharger sur l'App StoreDisponible surGoogle Play