Japan eSIM — reviews & details
Japan 3GB 15Days (nonhkip) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
Traveller reviews
Sofia V.
Poland · Aug 2026
Worked fine but took a little while to connect at first. Setup instructions in the app were clear and simple.
Emma
GotoeSIM Support
· 6 days ago Thanks for the honest feedback, Sofia. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Emma, eSIM TopUp Support
Mei S.
Germany · Jul 2026
Solid overall, just wish there was a bit more data for the price.
David
GotoeSIM Support
· 3 weeks ago Thanks for the honest feedback, 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. – David, eSIM TopUp Support
Wei R.
Sweden · Jul 2026
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 3 weeks ago Appreciate you sharing this, Wei. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Omar
Ananya F.
Singapore · Jul 2026
Install took me two tries but was fine after that. Data lasted the whole trip with room to spare.
Emma
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Ananya. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Emma, eSIM TopUp Support
Ravi B.
Saudi Arabia · Jul 2026
Solid overall, just wish there was a bit more data for the price.
Omar
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Ravi. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Omar
Kenji H.
Sweden · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
Mark
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Kenji. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Mark, eSIM TopUp Support
Marco T.
Philippines · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
Tom
GotoeSIM Support
· 1 month ago Thank you for taking the time, Marco. 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. – Tom, eSIM TopUp Support
Katya G.
Portugal · May 2026
Install took me two tries but was fine after that. Setup instructions in the app were clear and simple.
Sara
GotoeSIM Support
· 3 months ago Thank you for taking the time, Katya. 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. — Sara, eSIM TopUp Support
Katya C.
United Kingdom · Apr 2026
Good coverage in the city, a bit patchy in remote areas. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 3 months ago Thank you for taking the time, Katya. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Anna, eSIM TopUp Support
Nadia G.
Australia · Apr 2026
Worked fine but took a little while to connect at first. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 3 months ago Thank you for taking the time, Nadia. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Laura 💜
Hugo V.
Switzerland · Apr 2026
Worked fine but took a little while to connect at first.
Ingrid
GotoeSIM Support
· 3 months ago Appreciate you sharing this, Hugo. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Ingrid, eSIM TopUp Support
Somchai N.
Egypt · Apr 2026
Install took me two tries but was fine after that.
Diego
GotoeSIM Support
· 4 months ago Thank you for taking the time, Somchai. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Diego 💜
Louis P.
Italy · Jan 2026
Solid overall, just wish there was a bit more data for the price.
Ken
GotoeSIM Support
· 6 months ago Appreciate you sharing this, Louis. 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. — Ken, eSIM TopUp Support
Ravi F.
Malaysia · Jan 2026
Install took me two tries but was fine after that. The QR code arrived instantly by email.
Mark
GotoeSIM Support
· 6 months ago Thanks for the honest feedback, Ravi. 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. — Mark
Somchai T.
Poland · Jan 2026
Decent speeds, though slower than I expected in a few spots.
Omar
GotoeSIM Support
· 6 months ago Appreciate you sharing this, Somchai. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Omar 💜
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 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
Aisha T. · 1 month ago
Thanks, installed with no problems on my Samsung.
Ananya P. · 1 month ago
Do I need to install it before I travel or after I arrive?
Haruto B. · 2 months ago
How long does the QR code take to arrive after payment?
Mei D. · 3 months ago
Is roaming charged extra or is it all included?
Arjun W. · 6 months ago
Can I use it in nearby countries too?
Fatima T. · 6 months ago
Will this keep my WhatsApp active with my home number?
Ethan S. · 6 months ago
Is 5G supported or just 4G?
Kenji M. · 11 months ago
Can I use this for hotspot/tethering?
James G. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Ava T. · 1 year ago
How do I check how much data I have left?
Ethan W. · 1 year ago
Does this work on an iPhone 13?
Max H. · 1 year ago
Which networks does this connect to?