Japan 20 GB
IIJ
BEST QUALITY
30 days
20 GB
Attention- Android phone users must manually adjust APN settings to use this eSIM
Earn $1.40 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 $1.40 rewards cashback in your MobiPay wallet with this purchase
4.8/5
App Store
4.9/5
Google Play
Excellent
Trustpilot
Reviews
5.0
it has turned out beautiful
Sem1960
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
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
UUn Tatuador
App Store5.0
I faced some issues today with my eSIM, and they fixed it at the same time. I used this application on all my trips and they are great. By the way, they have very competitive prices
AAnssam d
App Store5.0
I often travel a lot and the eSIM always works very well, strong connection and I feel I have much longer internet as wel. Besides the customer service responds extremely quick, having your questions answered in no time.
MMayNais
App Store5.0
Since I started using MobiMatter, I have never once encountered a problem that they haven’t responded to almost immediately. I guess this is what sets them apart. Excellent customer service, very detailed troubleshooting instructions, and a support team that genuinely follows through until the issue is resolved. The app is easy to use, the eSIM installation process is straightforward, and the profes are competitive. Highly recommended for anyone who wants reliable connectivity while travelling.
RRjerome18
App Store5.0
I used it without any problems in France and Germany.
AAlper Tunga “Panter” Aramano
Play Store5.0
A very convenient app, truly cheap and practical.
XXiang Xu
Play Store5.0
⭐⭐⭐⭐⭐ Excellent customer support! I had an issue with my eSIM connection, and the support team resolved it quickly and professionally. They were patient, responsive, and very helpful throughout the process. Everything is working perfectly now. Highly recommended. Thank you, MobiMatter!
AAli Ceceli
Play Store5.0
I’ve been travelling around SE Asia for the last 7 months, covering 6 different countries, and this app has been amazing throughout when needing to change eSIM. Very easy set-up when buying one and if you in fact are having some troubles, contacting the support team and talking through email takes no time at all. I was having some difficulty with an eSIM in Vietnam since my phone was not finding a signal no matter what I did - their support team helped me and guided me on different ways to fix it. Thank you!!
MMosepth
App Store5.0
After 2–3 years of using the service, I encountered a problem for the first time. I can only praise the excellent technical support, which responded very quickly and with whom I exchanged several emails until the final resolution. Professionalism at its best!
NNikola Veselinovic
Play Store5.0
An excellent app with very reasonable prices compared to the exorbitant prices in Türkiye. The internet speed is excellent, and it provides 5G coverage, provided the phone supports eSIM functionality.
MMohammad Jarrar
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.
Illustrative usage data. Top-up available on supported eSIMs.
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Buy the Best eSIM for Japan
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