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
Elena R.
UAE · Oct 2025
Solid overall, just wish there was a bit more data for the price.
Priya
GotoeSIM Support
· 10 months ago Appreciate you sharing this, Elena. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Priya
Ingrid M.
Singapore · Sep 2025
Decent speeds, though slower than I expected in a few spots.
James
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Ingrid. 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
Sofia M.
Switzerland · Aug 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Emma
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Sofia. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Emma, eSIM TopUp Support
Ethan L.
New Zealand · Jul 2025
Decent speeds, though slower than I expected in a few spots. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 1 year 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. – Sophie 💜
James K.
Spain · Jul 2025
Good coverage in the city, a bit patchy in remote areas.
Priya
GotoeSIM Support
· 1 year ago Appreciate you sharing this, James. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Priya 💜
Linh G.
United Kingdom · Jun 2025
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
Ken
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Linh. 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
Mei R.
India · Jun 2025
Worked fine but took a little while to connect at first.
Diego
GotoeSIM Support
· 1 year ago Thank you for taking the time, Mei. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Diego, eSIM TopUp Support
Noah K.
Singapore · May 2025
Good coverage in the city, a bit patchy in remote areas.
Sara
GotoeSIM Support
· 1 year ago Thank you for taking the time, Noah. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Sara, eSIM TopUp Support
Sri V.
Ireland · Apr 2025
Install took me two tries but was fine after that.
Mark
GotoeSIM Support
· 1 year ago Thank you for taking the time, Sri. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Mark, eSIM TopUp Support
Lea V.
Egypt · Mar 2025
Worked fine but took a little while to connect at first. Activation was automatic when I arrived.
Yuki
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Lea. 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. – Yuki 💜
Lucas B.
Egypt · Mar 2025
Good coverage in the city, a bit patchy in remote areas.
Tom
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Lucas. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Tom 💜
Nguyen D.
Spain · Mar 2025
Install took me two tries but was fine after that.
Ken
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Nguyen. 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. – Ken 💜
Budi K.
Egypt · Feb 2025
Solid overall, just wish there was a bit more data for the price.
Tom
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Budi. 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. – Tom, eSIM TopUp Support
Beatriz S.
Saudi Arabia · Jan 2025
Install took me two tries but was fine after that.
Yuki
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Beatriz. 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. — Yuki, eSIM TopUp Support
Giulia F.
Thailand · Jan 2025
Install took me two tries but was fine after that. Topping up was straightforward when I needed more.
Grace
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Giulia. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Grace, eSIM TopUp Support
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. · 4 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. · 10 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?