Japan eSIM — reviews & details
Japan 3GB/Day (IIJ) · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Aisha S.
Canada · Sep 2025
Decent speeds, though slower than I expected in a few spots. The QR code arrived instantly by email.
Yuki
GotoeSIM Support
· 10 months ago Appreciate you sharing this, Aisha. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at gotoesim.com/support. — Yuki
Ji-woo K.
Poland · Sep 2025
Solid overall, just wish there was a bit more data for the price.
Anna
GotoeSIM Support
· 10 months ago Appreciate you sharing this, Ji-woo. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. – Anna 💜
Ava H.
Vietnam · Sep 2025
Good coverage in the city, a bit patchy in remote areas.
Mark
GotoeSIM Support
· 10 months ago Thank you for taking the time, Ava. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — Mark
Priya P.
Portugal · Aug 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Priya
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Priya. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at gotoesim.com/support. — Priya
Priya N.
Egypt · Aug 2025
Solid overall, just wish there was a bit more data for the price. Data lasted the whole trip with room to spare.
Sophie
GotoeSIM Support
· 11 months ago Thank you for taking the time, Priya. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. — Sophie
Zoe H.
Sweden · Jul 2025
Decent speeds, though slower than I expected in a few spots. The QR code arrived instantly by email.
David
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Zoe. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. – David, GotoeSIM Support
Isabella M.
New Zealand · May 2025
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 1 year ago Thank you for taking the time, Isabella. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. — Yuki
Diego R.
Mexico · May 2025
Solid overall, just wish there was a bit more data for the price. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 1 year ago Thank you for taking the time, Diego. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. – Grace, GotoeSIM Support
Mohammed S.
Poland · May 2025
Solid overall, just wish there was a bit more data for the price. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 1 year ago Thank you for taking the time, Mohammed. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. — Yuki
Sarah N.
UAE · May 2025
Worked fine but took a little while to connect at first.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for taking the time, Sarah. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. – Ingrid, GotoeSIM Support
Noah S.
United Kingdom · Apr 2025
Worked fine but took a little while to connect at first.
Sara
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Noah. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – Sara, GotoeSIM Support
Thomas B.
Australia · Feb 2025
Good coverage in the city, a bit patchy in remote areas.
David
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Thomas. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. — David, GotoeSIM Support
Sarah T.
Spain · Feb 2025
Decent speeds, though slower than I expected in a few spots. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 1 year ago Thank you for taking the time, Sarah. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — Tom, GotoeSIM Support
Noah M.
Philippines · Feb 2025
Decent speeds, though slower than I expected in a few spots.
James
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Noah. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. — James, GotoeSIM Support
Ingrid C.
France · Jan 2025
Decent speeds, though slower than I expected in a few spots.
Ken
GotoeSIM Support
· 1 year ago Thank you for taking the time, Ingrid. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. — Ken
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB/Day (IIJ) plan costs $3.30 for 3 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
Diego T. · 5 days ago
Can I use it in nearby countries too?
For nearby countries, Diego, a regional plan may suit you better — happy to help you pick. – Omar, GotoeSIM Support
Sven F. · 1 month ago
Can I top up the same eSIM instead of buying a new one?
Yes Sven, you can top up the same eSIM anytime — no need to buy a new one. – Priya 💜
Liam K. · 1 month ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Liam! The eSIM just handles data. — Priya, GotoeSIM Support
Somchai B. · 4 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Somchai, then it activates automatically on arrival. – Emma, GotoeSIM Support
Lea G. · 4 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Lea! Add it via SIM manager and you're set. – Sara, GotoeSIM Support
Ingrid L. · 4 months ago
Great guide, the setup steps were really helpful.
Thanks Ingrid, that means a lot! Reach out anytime. — Anna, GotoeSIM Support
Zoe F. · 7 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, Zoe — check My eSIMs anytime. — Tom, GotoeSIM Support
Lea T. · 7 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Lea, so buying early is totally fine. – Sara, GotoeSIM Support
Hugo L. · 9 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Hugo! Feel free to hotspot to your other devices. – Sophie, GotoeSIM Support
Lea C. · 9 months ago
Is roaming charged extra or is it all included?
No surprise fees, Lea! Roaming is part of the plan and never billed separately. – James, GotoeSIM Support
Nguyen D. · 10 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Nguyen — within seconds of payment, by email and in your account. – Laura, GotoeSIM Support
Lucia P. · 10 months ago
Is 5G supported or just 4G?
Yes Lucia, 5G is supported where the local network offers it, otherwise fast 4G. — Yuki