Japan eSIM — reviews & details
Japan 3GB 15Days (nonhkip) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
Traveller reviews
Mohammed M.
United Kingdom · Jul 2026
Good coverage in the city, a bit patchy in remote areas. Customer support answered my question quickly.
James
GotoeSIM Support
· 2 weeks ago Thanks for the honest feedback, Mohammed. 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. — James, GotoeSIM Support
Emma T.
UAE · Jul 2026
Decent speeds, though slower than I expected in a few spots. Speeds were solid for maps, messaging and browsing.
David
GotoeSIM Support
· 2 weeks ago Thanks for the honest feedback, Emma. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. — David, GotoeSIM Support
Diego V.
New Zealand · Jul 2026
Install took me two tries but was fine after that.
Tom
GotoeSIM Support
· 3 weeks ago Appreciate you sharing this, Diego. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at gotoesim.com/support. – Tom 💜
Emma R.
Thailand · Jul 2026
Solid overall, just wish there was a bit more data for the price. The QR code arrived instantly by email.
Mark
GotoeSIM Support
· 3 weeks ago Thanks for the honest feedback, Emma. 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. — Mark
Lea W.
Italy · Jul 2026
Install took me two tries but was fine after that.
Diego
GotoeSIM Support
· 3 weeks ago Thank you for taking the time, Lea. 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. — Diego, GotoeSIM Support
Ethan D.
Sweden · Jun 2026
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
Priya
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Ethan. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at gotoesim.com/support. — Priya
Louis L.
Germany · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
Sara
GotoeSIM Support
· 1 month ago Thank you for taking the time, Louis. We're constantly optimising speeds and coverage across Japan. Reach us anytime at gotoesim.com/support if we can help. — Sara, GotoeSIM Support
Elena P.
United Kingdom · Jun 2026
Solid overall, just wish there was a bit more data for the price.
Sophie
GotoeSIM Support
· 1 month ago Thank you for taking the time, Elena. 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. – Sophie, GotoeSIM Support
Lea M.
Sweden · Jun 2026
Install took me two tries but was fine after that. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Lea. 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. — Grace
Ananya C.
Ireland · May 2026
Install took me two tries but was fine after that. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Ananya. 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. — Emma, GotoeSIM Support
Haruto W.
United Kingdom · May 2026
Decent speeds, though slower than I expected in a few spots. I kept my normal number for calls while using this for data.
James
GotoeSIM Support
· 2 months ago Appreciate you sharing this, Haruto. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at gotoesim.com/support. – James, GotoeSIM Support
Pablo F.
United Kingdom · May 2026
Good coverage in the city, a bit patchy in remote areas. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 2 months ago Appreciate you sharing this, Pablo. 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. — Ingrid
Lucas L.
New Zealand · May 2026
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
Diego
GotoeSIM Support
· 2 months ago Thanks for the honest feedback, Lucas. 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. – Diego 💜
Ingrid L.
Germany · Apr 2026
Install took me two tries but was fine after that.
Yuki
GotoeSIM Support
· 3 months ago Appreciate you sharing this, Ingrid. 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. — Yuki, GotoeSIM Support
Nadia V.
South Korea · Apr 2026
Worked fine but took a little while to connect at first. Activation was automatic when I arrived.
Anna
GotoeSIM Support
· 3 months ago Thank you for taking the time, Nadia. 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. – Anna 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 15Days (nonhkip) plan costs $4.29 for 3 GB over 15 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
Grace D. · 1 week ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Grace, so buying early is totally fine. – Mark, GotoeSIM Support
Elena C. · 2 weeks ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Elena — it switches on when you land. — Laura, GotoeSIM Support
Max C. · 3 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Max! We're always here if you need anything. — Ingrid
Beatriz R. · 3 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, Beatriz — check My eSIMs anytime. — Diego, GotoeSIM Support
Daniel L. · 5 months ago
Can I use this for hotspot/tethering?
Yes Daniel, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — David, GotoeSIM Support
Liam K. · 6 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Liam, on 4G/5G where available. – Diego 💜
Somchai W. · 6 months ago
How long does the QR code take to arrive after payment?
It's immediate, Somchai! The QR code is delivered the moment your payment goes through. — Ken
Sri C. · 7 months ago
Will this keep my WhatsApp active with my home number?
Yes Sri, WhatsApp keeps working with your home number — the eSIM only carries data. — Grace, GotoeSIM Support
Yuki B. · 11 months ago
Is 5G supported or just 4G?
Yes Yuki, 5G is supported where the local network offers it, otherwise fast 4G. – Omar 💜
Sven H. · 1 year 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. – Omar, GotoeSIM Support
Kenji W. · 1 year ago
Does this work on an iPhone 13?
Yes Kenji, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. – Emma, GotoeSIM Support
Lucia B. · 1 year ago
Can I use it in nearby countries too?
For nearby countries, Lucia, a regional plan may suit you better — happy to help you pick. – Yuki 💜