Japan 5 GB
IIJ
BEST QUALITY
30 days
5 GB
Attention- Android phone users must manually adjust APN settings to use this eSIM
Earn $0.60 rewards cashback in your MobiPay wallet with this purchase
Details
Data
Calls
SMS
Attention- Android phone users must manually adjust APN settings to use this eSIM
Network
5G/4G/LTE
Activation Policy
Package activates upon first data usage.
IP Routing
Japan
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.
- One-time prepaid package. No auto-renewals, no contracts.
- Full data speeds - no daily limits, no throttling. Mobile hotspot is supported.
- 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.
- 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
Help Center
Does my phone support eSIM technology?
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.
Can I use my physical SIM along with the eSIM?
Yes! With dual-SIM functionality you can have both your physical SIM and eSIM active at the same time.
I already have an active eSIM in my phone, can I use your service?
Yes, your phone can store many eSIM profiles at once. You can choose which one to use at in your phone settings.
Can I use Mobile Hotspot or Tethering with my eSIM?
Yes! Mobile hotspot featured is enabled in all of our products, except if explicitly mentioned in the product details.
Earn $0.60 rewards cashback in your MobiPay wallet with this purchase
4.8/5
App Store
4.9/5
Google Play
Excellent
Trustpilot
Reviews
5.0
I think it is the best e-SIM for abroad.
Aligü
App StoreHow it works
- 1
Checkout using secure payment methods
Get your eSIM by email within seconds.
- 2
Install eSIM
Instantly get your eSIM and configure it in your eSIM compatible device
- 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.
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 RewardsHear from our customers
5.0
Using this service more than 2 years and very happy with it! Recommending it for anyone!
DDush@m
App Store5.0
I had some small issue with activation of esim but it was my mistake and i get i can say instant support and resolution so i could proceed with using internet :) Thank you so much, just continue to be so proffesional as you are
MMilijana93
App Store5.0
MobiMatter my most trusted eSim provider. Very affordable and easy to use.
AALFRED DUHINA
Play Store5.0
I think it's a very nice application; they are helpful even if there is any problem. Successful!
Translated from Turkish
VVartolu 🙂
App Store5.0
best deal I could find for short term of data in the usa
MMarc Kaplan (BobTeatow)
Play Store5.0
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!
BBritta79AU
App Store5.0
I didn't experience any problems in Europe; it works quite well, and it's also more affordable compared to other apps.
Translated from Turkish
CCnyt60
App Store5.0
I have been traveling The world for years and using MobiMatter for almost 3 years. Whenever I’ve had installation issue, their support has Solved it within 15 minutes. Incredible service thank you so much!
LLeylalom
App Store5.0
The image quality is high, the price is good, and the features it offers are excellent.
EETHEM KENAR
Play Store5.0
Very easy comparisons, straight forward, no hassle No fuss just easy esim comparisons and purchases
AAnoixi
App 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.
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 JapanJapan 5 GB