Japan Premium Unlimited 3 Days
eSIMPlus
3 days
Unlimited
Attention- Android phone users must manually adjust APN settings to use this eSIM
Earn $0.70 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
30 GB/day, 200 kbps afterwards
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.
- 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 1 month 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 $0.70 rewards cashback in your MobiPay wallet with this purchase
4.8/5
App Store
4.9/5
Google Play
Excellent
Trustpilot
Reviews
5.0
Nice program
Zoom-Zoomi
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 have traveled to many countries around the world and I am still traveling. Especially if you need to travel and work at the same time, Mobimatter is always with you, offering the most affordable, fast, and diverse internet options. I really enjoy using Mobimatter, which provides me with internet access under the best conditions in every country I visit, and I highly recommend it."
Translated from Turkish
NNese Nese
App Store5.0
"This is the second time I've purchased an e-sim through this app. I was very satisfied the first time, so I continued using it. This time, I encountered a problem on my end and had trouble connecting. I submitted a support request by uploading my screenshots through the app. I received an email within seconds. We were able to resolve my issue very quickly. I sent screenshots via email one after another, and each time I received prompt responses within a few minutes. I was very pleased with the support lines. I recommend it!! ⭐️⭐️⭐️⭐️⭐️"
Translated from Turkish
@@teamnilolomoko
App Store5.0
I am extremely satisfied with the Mobimatter app! It is easy to use, fast, and very reliable. When I had trouble figuring something out, their support team responded immediately and helped me solve the issue. I truly appreciate their quick and helpful assistance. The app works smoothly and has made my experience much easier and more convenient. I highly recommend Mobimatter to anyone looking for a reliable service. Thank you to the Mobimatter team for the excellent support!
AAnaVuj
App Store5.0
Amazing app! Using it 3 years and never had any problem. I recommend it to everyone
RRéka1209
App Store5.0
Purchased eSIM in Australia and set it up in Azerbaijan. Having never used an eSIM before, I had a few ‘user issues’. These were sorted out very quickly via email and me sending a screen shot of my ‘attempted’ setup. Technician got back to me in very short order with some simple instructions and now all good. Great efficient service.
HHappy-Listener
App Store5.0
used this app several times, great cost effective way for data abroad
MMarc Harvey
Play Store5.0
A very convenient app, truly cheap and practical.
XXiang Xu
Play Store5.0
"I have used the program in several countries in East Asia and Arab countries, and it was a very good option."
Translated from Arabic
االكلباني 707
App Store5.0
MOBI-san!! Thank you so much!! I'll definitely install it again!! It's truly my favorite, a godsend app ♡
佐佐川愛
Play Store5.0
The price-performance ratio is excellent. I definitely recommend it.
SSerkan Solmaz
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.
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 Premium Unlimited 3 Days