Japan eSIM — reviews & details
Japan 1GB/Day · 1 GB/day · 1 days
160 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Louis C.
Thailand · Mar 2026
Solid overall, just wish there was a bit more data for the price. Data lasted the whole trip with room to spare.
Yuki
GotoeSIM Support
· 5 months ago So sorry to hear this, Louis. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Yuki, GotoeSIM Support
Ryan D.
Australia · Feb 2026
Solid overall, just wish there was a bit more data for the price. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 6 months ago We're really sorry, Ryan. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Anna, GotoeSIM Support
Aisha F.
Italy · Feb 2026
Decent speeds, though slower than I expected in a few spots. Coverage was strong even outside the city.
Anna
GotoeSIM Support
· 6 months ago We're really sorry, Aisha. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Anna
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 1GB/Day plan costs $1.60 for 1 GB/day over 1 days, paid once with no hidden fees.
How do I activate my Japan eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan.
Comments & questions
Yuki R. · 1 month ago
Great guide, the setup steps were really helpful.
So glad it helped, Yuki! We're always here if you need anything. — Tom, GotoeSIM Support
Louis D. · 4 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Louis, then it activates automatically on arrival. — Yuki
Liam M. · 5 months ago
Is roaming charged extra or is it all included?
No surprise fees, Liam! Roaming is part of the plan and never billed separately. — Sophie, GotoeSIM Support
Lucas H. · 5 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Lucas — for multiple countries, check our regional plans. — Tom, GotoeSIM Support
Yuki L. · 7 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Yuki — within seconds of payment, by email and in your account. — Emma, GotoeSIM Support
Camila R. · 8 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Camila! Feel free to hotspot to your other devices. — James, GotoeSIM Support
Grace M. · 9 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, Grace — check My eSIMs anytime. – Sara 💜
Andre N. · 9 months ago
Which networks does this connect to?
You'll be on top local networks, Andre — full details are on the plan page under Coverage. — Diego
Viktor F. · 9 months ago
Is 5G supported or just 4G?
5G is available where covered, Viktor — you'll always get the best speed on offer. — Priya, GotoeSIM Support
Katya L. · 1 year ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Katya! Add it via SIM manager and you're set. — Omar, GotoeSIM Support
Linh K. · 1 year ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Linh, so buying early is totally fine. — Grace, GotoeSIM Support
Max H. · 1 year ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Max! The eSIM just handles data. — Mark, GotoeSIM Support