Japan eSIM — reviews & details
Japan 10GB/Day · 10 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Haruto L.
Sweden · Aug 2026
Decent speeds, though slower than I expected in a few spots. Coverage was strong even outside the city.
Priya
GotoeSIM Support
· 6 days ago Thank you for taking the time, Haruto. 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
Olivia V.
Australia · Aug 2026
Install took me two tries but was fine after that. I kept my normal number for calls while using this for data.
Mark
GotoeSIM Support
· 1 week ago Appreciate you sharing this, Olivia. 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. – Mark, eSIM TopUp Support
Lucas G.
Vietnam · Jul 2026
Good coverage in the city, a bit patchy in remote areas. Setup instructions in the app were clear and simple.
Priya
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Lucas. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Priya, eSIM TopUp Support
Andre S.
Philippines · Jul 2026
Decent speeds, though slower than I expected in a few spots.
Sara
GotoeSIM Support
· 1 month ago Thank you for taking the time, Andre. 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. – Sara 💜
Max F.
Indonesia · Jul 2026
Install took me two tries but was fine after that. Activation was automatic when I arrived.
Omar
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Max. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Omar
Mateo K.
Turkey · May 2026
Decent speeds, though slower than I expected in a few spots. The QR code arrived instantly by email.
Ken
GotoeSIM Support
· 2 months ago Thank you for taking the time, Mateo. 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
Thomas G.
UAE · May 2026
Solid overall, just wish there was a bit more data for the price.
Mark
GotoeSIM Support
· 2 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. – Mark 💜
Isabella M.
Canada · May 2026
Install took me two tries but was fine after that.
Diego
GotoeSIM Support
· 3 months ago Thank you for taking the time, Isabella. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Diego 💜
Diego S.
Thailand · Apr 2026
Worked fine but took a little while to connect at first.
James
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Diego. 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. — James, eSIM TopUp Support
Aisha B.
Netherlands · Mar 2026
Install took me two tries but was fine after that.
Mark
GotoeSIM Support
· 5 months ago Thanks for the honest feedback, Aisha. 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. — Mark
Olivia T.
Netherlands · Mar 2026
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
Diego
GotoeSIM Support
· 5 months ago Appreciate you sharing this, Olivia. 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. — Diego, eSIM TopUp Support
Ryan C.
Mexico · Feb 2026
Decent speeds, though slower than I expected in a few spots.
David
GotoeSIM Support
· 6 months ago Appreciate you sharing this, Ryan. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – David 💜
Isabella C.
Sweden · Feb 2026
Solid overall, just wish there was a bit more data for the price.
Ken
GotoeSIM Support
· 6 months ago Appreciate you sharing this, Isabella. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Ken
Lucia R.
Switzerland · Jan 2026
Worked fine but took a little while to connect at first.
James
GotoeSIM Support
· 7 months ago Appreciate you sharing this, Lucia. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – James, eSIM TopUp Support
Ava G.
United Kingdom · Jan 2026
Good coverage in the city, a bit patchy in remote areas. Customer support answered my question quickly.
Omar
GotoeSIM Support
· 7 months ago Thanks for the honest feedback, Ava. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Omar, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 10GB/Day plan costs $7.50 for 10 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 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
Lea V. · 2 months ago
Does this work on an iPhone 13?
Wei V. · 3 months ago
Which networks does this connect to?
Haruto D. · 3 months ago
Can I use this for hotspot/tethering?
Diego B. · 3 months ago
Can I use it in nearby countries too?
Nguyen K. · 4 months ago
Great guide, the setup steps were really helpful.
Giulia C. · 4 months ago
How long does the QR code take to arrive after payment?
Pablo K. · 4 months ago
Do I need to install it before I travel or after I arrive?
Viktor V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Mei B. · 9 months ago
Does the validity start on purchase or on first use?
Anna P. · 9 months ago
Is 5G supported or just 4G?
Liam F. · 11 months ago
Will this keep my WhatsApp active with my home number?
Grace P. · 1 year ago
How do I check how much data I have left?