Japan eSIM — reviews & details
Japan 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Thomas V.
Brazil · Apr 2026
Decent speeds, though slower than I expected in a few spots.
Diego
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Thomas. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Diego, eSIM TopUp Support
James C.
Philippines · Apr 2026
Good coverage in the city, a bit patchy in remote areas. The QR code arrived instantly by email.
Ingrid
GotoeSIM Support
· 3 months ago Thank you for taking the time, James. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Ingrid 💜
Anna B.
South Korea · Apr 2026
Decent speeds, though slower than I expected in a few spots.
Omar
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Anna. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – Omar 💜
Omar P.
Japan · Apr 2026
Solid overall, just wish there was a bit more data for the price.
Ingrid
GotoeSIM Support
· 4 months ago Appreciate you sharing this, Omar. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Ingrid 💜
Ingrid G.
Brazil · Apr 2026
Install took me two tries but was fine after that.
Priya
GotoeSIM Support
· 4 months ago Thank you for taking the time, Ingrid. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Priya
Ethan N.
Poland · Feb 2026
Install took me two tries but was fine after that. Customer support answered my question quickly.
Omar
GotoeSIM Support
· 6 months ago Thanks for the honest feedback, Ethan. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Omar 💜
Ethan M.
Australia · Feb 2026
Good coverage in the city, a bit patchy in remote areas.
Anna
GotoeSIM Support
· 6 months ago Thank you for taking the time, Ethan. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Anna
Hana M.
Turkey · Dec 2025
Solid overall, just wish there was a bit more data for the price. Customer support answered my question quickly.
Tom
GotoeSIM Support
· 7 months ago Thank you for taking the time, Hana. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – Tom 💜
Lea D.
Germany · Dec 2025
Install took me two tries but was fine after that.
James
GotoeSIM Support
· 8 months ago Thanks for the honest feedback, Lea. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — James
Mei D.
Philippines · Nov 2025
Solid overall, just wish there was a bit more data for the price.
Ingrid
GotoeSIM Support
· 8 months ago Thank you for taking the time, Mei. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Ingrid, eSIM TopUp Support
Lea S.
Canada · Nov 2025
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Ken
GotoeSIM Support
· 8 months ago Appreciate you sharing this, Lea. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. — Ken, eSIM TopUp Support
Wei G.
Spain · Nov 2025
Solid overall, just wish there was a bit more data for the price. Data lasted the whole trip with room to spare.
Priya
GotoeSIM Support
· 8 months ago Appreciate you sharing this, Wei. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. — Priya, eSIM TopUp Support
Ananya N.
United Kingdom · Oct 2025
Install took me two tries but was fine after that.
David
GotoeSIM Support
· 9 months ago Thank you for taking the time, Ananya. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – David, eSIM TopUp Support
Min-jun T.
Sweden · Oct 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Min-jun. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Omar, eSIM TopUp Support
Ananya M.
Egypt · Oct 2025
Install took me two tries but was fine after that.
Anna
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Ananya. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Anna
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days plan costs $12.30 for 20 GB over 30 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 eSIM TopUp 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
Arjun V. · 5 days ago
Is 5G supported or just 4G?
Beatriz R. · 3 weeks ago
Great guide, the setup steps were really helpful.
Noah F. · 2 months ago
Will this keep my WhatsApp active with my home number?
Lucia B. · 3 months ago
Which networks does this connect to?
Katya K. · 3 months ago
Is roaming charged extra or is it all included?
Ethan L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Ava G. · 5 months ago
Does this work on an iPhone 13?
Hugo B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Wei L. · 9 months ago
Can I use this for hotspot/tethering?
Emma V. · 11 months ago
Does the validity start on purchase or on first use?
Liam P. · 1 year ago
Can I use it in nearby countries too?
Louis H. · 1 year ago
Can I top up the same eSIM instead of buying a new one?