Japan eSIM — reviews & details
Japan 3GB/Day (IIJ) · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Chloe P.
Japan · Jul 2026
Worked fine but took a little while to connect at first.
Grace
GotoeSIM Support
· 3 weeks ago So sorry to hear this, Chloe. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Grace 💜
Giulia G.
Netherlands · Apr 2026
Worked fine but took a little while to connect at first.
Ken
GotoeSIM Support
· 3 months ago Apologies for the trouble, Giulia. That's not the experience we want for Japan. Reach our team at gotoesim.com/support so we can help right away. — Ken, GotoeSIM Support
Arjun H.
Ireland · Mar 2026
Install took me two tries but was fine after that. Setup instructions in the app were clear and simple.
Anna
GotoeSIM Support
· 4 months ago We're really sorry, Arjun. That's not the experience we want for Japan. Reach our team at gotoesim.com/support so we can help right away. – Anna, GotoeSIM Support
James L.
UAE · Jan 2026
Worked fine but took a little while to connect at first.
Emma
GotoeSIM Support
· 6 months ago So sorry to hear this, James. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. — Emma
Lucas P.
Sweden · Sep 2025
Install took me two tries but was fine after that. Coverage was strong even outside the city.
Sophie
GotoeSIM Support
· 10 months ago So sorry to hear this, Lucas. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. — Sophie
Elena G.
Thailand · Sep 2025
Solid overall, just wish there was a bit more data for the price. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 10 months ago Apologies for the trouble, Elena. That's not the experience we want for Japan. Reach our team at gotoesim.com/support so we can help right away. – Anna, GotoeSIM Support
Mei N.
United States · Jun 2025
Decent speeds, though slower than I expected in a few spots. Ran hotspot to my laptop with no issues.
James
GotoeSIM Support
· 1 year ago We're really sorry, Mei. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – James 💜
Ingrid T.
Saudi Arabia · Mar 2025
Worked fine but took a little while to connect at first. I kept my normal number for calls while using this for data.
Laura
GotoeSIM Support
· 1 year ago So sorry to hear this, Ingrid. That's not the experience we want for Japan. Please contact us at gotoesim.com/support and we'll sort it out. — Laura
Somchai M.
India · Mar 2025
Decent speeds, though slower than I expected in a few spots.
Sophie
GotoeSIM Support
· 1 year ago So sorry to hear this, Somchai. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. — Sophie
Linh C.
Mexico · Jan 2025
Install took me two tries but was fine after that.
Laura
GotoeSIM Support
· 1 year ago So sorry to hear this, Linh. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Laura, GotoeSIM Support
Hana S.
Singapore · Jan 2025
Worked fine but took a little while to connect at first.
Mark
GotoeSIM Support
· 1 year ago So sorry to hear this, Hana. That's not the experience we want for Japan. Reach our team at gotoesim.com/support so we can help right away. – Mark 💜
Arjun M.
India · Jan 2025
Solid overall, just wish there was a bit more data for the price.
Ken
GotoeSIM Support
· 1 year ago We're really sorry, Arjun. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. — Ken
Ravi K.
Netherlands · Oct 2024
Install took me two tries but was fine after that.
Ken
GotoeSIM Support
· 1 year ago So sorry to hear this, Ravi. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. — Ken, GotoeSIM Support
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. · 4 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