Japan eSIM — reviews & details
Japan 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Marco T.
Switzerland · Feb 2025
Install took me two tries but was fine after that. Customer support answered my question quickly.
Tom
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Marco. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Tom, eSIM TopUp Support
Elena R.
Brazil · Feb 2025
Solid overall, just wish there was a bit more data for the price. Setup instructions in the app were clear and simple.
Omar
eSIM TopUp Support
· 1 year ago Appreciate you sharing this, Elena. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Omar 💜
Giulia H.
Japan · Jan 2025
Worked fine but took a little while to connect at first.
Emma
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Giulia. 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. — Emma
Yuki F.
Mexico · Jan 2025
Worked fine but took a little while to connect at first. Activation was automatic when I arrived.
Grace
eSIM TopUp Support
· 1 year ago Appreciate you sharing this, Yuki. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Grace, eSIM TopUp Support
Min-jun W.
Singapore · Jan 2025
Good coverage in the city, a bit patchy in remote areas. Setup instructions in the app were clear and simple.
Tom
eSIM TopUp Support
· 1 year ago Appreciate you sharing this, Min-jun. 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 💜
Wei L.
France · Jan 2025
Worked fine but took a little while to connect at first.
Laura
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Wei. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Laura 💜
Emma D.
Australia · Dec 2024
Solid overall, just wish there was a bit more data for the price.
Laura
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Emma. 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. – Laura 💜
Sri V.
Indonesia · Nov 2024
Solid overall, just wish there was a bit more data for the price. Data lasted the whole trip with room to spare.
Sophie
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Sri. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Sophie
Hana R.
Saudi Arabia · Nov 2024
Install took me two tries but was fine after that.
Laura
eSIM TopUp Support
· 1 year ago Appreciate you sharing this, Hana. 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. – Laura, eSIM TopUp Support
Haruto H.
South Korea · Sep 2024
Good coverage in the city, a bit patchy in remote areas.
Sara
eSIM TopUp Support
· 1 year ago Appreciate you sharing this, Haruto. 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
Daniel R.
Ireland · Sep 2024
Decent speeds, though slower than I expected in a few spots.
David
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Daniel. 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. — David
Max T.
Australia · Aug 2024
Install took me two tries but was fine after that.
James
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Max. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – James, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days plan costs $2.70 for 3 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
Pablo G. · 2 months ago
Is 5G supported or just 4G?
Pablo C. · 2 months ago
How do I check how much data I have left?
Grace G. · 2 months ago
Can I use this for hotspot/tethering?
Marco C. · 3 months ago
Can I use it in nearby countries too?
Lucas D. · 3 months ago
Great guide, the setup steps were really helpful.
Ingrid F. · 5 months ago
Is roaming charged extra or is it all included?
Pablo N. · 6 months ago
Does the validity start on purchase or on first use?
Olivia N. · 6 months ago
Does this work on an iPhone 13?
Linh T. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Viktor P. · 9 months ago
Thanks, installed with no problems on my Samsung.
Carlos L. · 9 months ago
Will this keep my WhatsApp active with my home number?
Sri N. · 1 year ago
Which networks does this connect to?