provider logo

Japan 10 GB

TSimTech

5G

15 days

10 GB

Earn $0.85 rewards cashback in your MobiPay wallet with this purchase

Details

Data


Calls


SMS


Network

5G/4G/LTE

Activation Policy

Package activates upon first data usage.

IP Routing

Singapore

eKYC

Not required

Hotspot

Available

Speed

Unrestricted

Top-up

Not Available

Usage Tracking

Realtime, in-app

  • This is a data-only eSIM. It does not come with a phone number.
  • Simply scan the QR code to download and use the eSIM. No other activation or registration steps needed.
  • Validity will start upon first data usage.
  • 5G availability depends on network coverage, regional device specifications, and phone settings. Where 5G is not available the eSIM will provide high quality 4G LTE network connection subject to network availability.
  • One-time prepaid package. No auto-renewals, no contracts.
  • Full data speeds - no daily limits, no throttling. Mobile hotspot is supported.
  • Usable only with eSIM compatible phones and tablets which are not carrier locked. If in doubt, please check the FAQ section.
  • The eSIM will expire if not activated within 2 months of purchase.

4.8/5

App Store

4.9/5

Google Play

Excellent

Trustpilot

Destinations & networks

⚠️ The operator can change the networks the eSIM connects to without notice.

🇯🇵

Japan

au (KDDI)5G
SoftBank5G

Help Center

The sure way you can verify if your phone is compatible: iPhone: Go Settings -> Cellular (or Mobile Data). If you see ‘Add Cellular Plan’ or ‘Add Mobile Plan’, the phone supports eSIM Samsung: Go Settings -> Connections -> SIM Card Manager. If you see ‘Add Mobile Plan’, the phone supports eSIM Google Pixel: Go Settings -> Networks & Internet -> SIMs -> ‘+Add more’. If you are using Pixel 4/4a or a later model, it will be there. IMPORTANT! Some models have exceptions depending on models and markets. Operator locked devices: If your device is locked to a specific carrier due to a contract, it needs to be unlocked first to be able to use the eSIMs sold on our platform.

Yes! With dual-SIM functionality you can have both your physical SIM and eSIM active at the same time.

Yes, your phone can store many eSIM profiles at once. You can choose which one to use at in your phone settings.

Yes! Mobile hotspot featured is enabled in all of our products, except if explicitly mentioned in the product details.

Reviews

5.0

Quick and easy... excellent.

M

Marcos

Play Store

How it works

  1. 1

    Checkout using secure payment methods

    Get your eSIM by email within seconds.

  2. 2

    Install eSIM

    Instantly get your eSIM and configure it in your eSIM compatible device

  3. 3

    Enjoy high speed connectivity

    Once eSIM is configured, you can enjoy high speed roaming data connectivity

Why MobiMatter is best for Japan eSIMs?

Instant Activation

Activate your Japan eSIM in seconds. Install it in one tap from the MobiMatter app, or scan the QR code, and stay connected from the moment you land.

Flexible Plans, Great Value

Choose affordable short or long-term data packages for Japan - perfect for business trips, vacations, or for digital nomads. Most packages provide the option to top-up also.

How MobiMatter compares with other eSIM brands

24/7 Customer Support

Stay connected with peace of mind, backed by our round-the-clock customer service team. Reach out to them via the troubleshoot link.

MobiMatter Rewards

Sign in and pick one reward at checkout on every order.

  • 10%

    cashback on every order

  • 3%

    instant discount

  • up to

    $5

    for you and every friend you refer

Referral rewards apply to your friend’s first purchase.

Explore MobiMatter Rewards

Hear from our customers

  • 5.0

    good prices and great (and quick) help of ClientService when I had a problem

    R

    Reut Ben-Yaakov

    Play Store
  • 5.0

    I used MobiMatter with a Sparks plan for Albania and Montenegro, and everything worked perfectly for me. I had excellent reception almost the entire time, and mostly even 5G. I can definitely recommend this offer for these two countries!

    R

    Raven

    Play Store
  • 5.0

    the best thing as this review is written, Good customer service and tech support

    M

    Mark julius castillo

    Play Store
  • 5.0

    I loved it! I can have data wherever I go, they have many options, the data lasts a long time and is very affordable. I used the 3GB option for Europe and I've already had data for 15 days for €5. Honestly, if you manage it well and use it only when you don't have Wi-Fi, it can easily last you thirty days. I still have 1.6 GB left (half) and I have 10 days left on the plan. Highly recommended app for eSIM 💪

    Translated from Spanish

    U

    Un Tatuador

    App Store
  • 5.0

    Whenever I faced an issue and wrote to the desk, they solved my problem immediately. I received very good internet service in 30 countries across 4 continents. I am very satisfied with Mobimatter.

    Translated from Turkish

    A

    Avg user01

    App Store
  • 5.0

    This is such a good app when travelling and easy to use

    M

    Mmporima

    App Store
  • 5.0

    I use it with pleasure, it works, I recommend it.

    M

    Major Canel

    Play Store
  • 5.0

    The team was responsive, helpful, and guided me through the issue until everything was working perfectly. I have purchased several eSIMs through MobiMatter before, and my experience has always been excellent. Very satisfied with both the service and the reliability of the product. Highly recommended!

    D

    D1883661

    App Store
  • 5.0

    I had an issue with the eSIM setup and the MobiMatter support team offered prompt and straight forward assistance! This is the 2nd time they helped me out and both times they sorted the issue out fast! Highly recommend!

    B

    Britta79AU

    App Store
  • 5.0

    This was my first e-SIM experience, and believe me, the signal is much better than the lines in Turkey. I traveled to four different cities in Indonesia and got 5G in all of them. 5 GB of internet lasted me three weeks. Thank you.

    M

    M Bekir Bıçak

    Play Store

Check data onyour Home Screen.

Add the MobiMatter widget to see data and days left at a glance, then top up in the app before you run out.

Download on the App StoreGet it on Google Play

Illustrative usage data. Top-up available on supported eSIMs.

Essential travel tips and guides for Japan

Sep 30, 2026 — 15 min read

China Golden Week 2026: 15 Outbound Hotspots for October's Massive Travel Rush

What is Golden Week 2026 and Why the Travel Surge is so Big Golden Week 2026 runs from October 1 through October 7, a seven-day national holiday built around China's National Day. Because 2026's Mid-Autumn Festival falls a full week earlier, on September 25 to 27, the two holidays stay separate this year rather than merging into one extended break, so the October holiday keeps its standard seven-day shape. That seven-day window is still enough to trigger one of the largest travel movements on t...

Read more

Sep 21, 2026 — 43 min read

The 20 Best Places to See Autumn Foliage in October 2026

Why October 2026 is the Best Month to Chase Autumn Colour October is the only month in which the northern hemisphere's three great foliage regions overlap. Japan's mountain interior, the Alpine and Carpathian belt across central Europe, and the North American maple corridor all carry colour somewhere within the same thirty-one days. No other month gives a traveller that choice, and the practical consequence is that a single trip can be planned around colour rather than around a holiday calendar...

Read more

Sep 8, 2026 — 17 min read

Asian Games 2026 Nagoya: Travel Guide & Venue Tips

The 20th Asian Games (Aichi-Nagoya 2026) runs September 19 to October 4, 2026, with select events starting as early as September 10, across roughly 53 venues in Aichi Prefecture and Nagoya, Japan. Expect 43 sports, 469 gold medals, and athletes from 46 nations. The fastest way in is the Tokaido Shinkansen: about 94 minutes from Tokyo and 47 minutes from Shin-Osaka on the Nozomi service. Between sessions, Nagoya Castle, the Sakae shopping district, and the city's food scene fill the gaps easily....

Read more

Buy the Best eSIM for Japan

See all eSIM packages for Japan

Japan 10 GB

Instant delivery
Excellent·4M+ downloads
Secure payment·No account needed