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
Priya P.
Ireland · Oct 2025
First time using an eSIM and it was painless. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Omar
GotoeSIM Support
· 9 months ago Cheers, Priya! Wonderful to hear it worked smoothly in Japan. — Omar, eSIM TopUp Support
Ravi C.
Sweden · Oct 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Sara
GotoeSIM Support
· 9 months ago Thanks a lot, Ravi! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Sara 💜
Yuki P.
Egypt · Oct 2025
Installed in minutes by scanning the QR code in Japan. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 9 months ago So glad to hear this, Yuki! Great to know the setup was quick and easy. Come back anytime! — Diego, eSIM TopUp Support
Somchai C.
Malaysia · Oct 2025
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Zero regrets.
David
GotoeSIM Support
· 9 months ago Really appreciate this, Somchai! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – David, eSIM TopUp Support
Pablo N.
Egypt · Oct 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Tom
GotoeSIM Support
· 9 months ago Thank you so much, Pablo! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Tom 💜
Ryan F.
Indonesia · Oct 2025
Exactly what I needed for travelling. Coverage was strong even outside the city. A must-have for international travel.
David
GotoeSIM Support
· 9 months ago So glad to hear this, Ryan! So pleased it saved you from roaming bills. – David 💜
Sophia G.
Egypt · Oct 2025
Did the job without any drama. Topping up was straightforward when I needed more. Made staying connected effortless.
Yuki
GotoeSIM Support
· 9 months ago Thank you so much, Sophia! Thrilled it made staying connected effortless. — Yuki, eSIM TopUp Support
Daniel V.
Saudi Arabia · Oct 2025
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. A must-have for international travel.
Ken
GotoeSIM Support
· 9 months ago So glad to hear this, Daniel! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Ken 💜
Hana P.
Egypt · Oct 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Telling my friends about this.
Sophie
GotoeSIM Support
· 9 months ago Really appreciate this, Hana! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Sophie, eSIM TopUp Support
Lucia D.
Netherlands · Oct 2025
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Would definitely buy again.
Anna
GotoeSIM Support
· 9 months ago Thanks for sharing, Lucia! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Anna 💜
Liam T.
UAE · Oct 2025
Connected the moment I landed in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Ken
GotoeSIM Support
· 9 months ago Thank you for the kind words, Liam! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Ken, eSIM TopUp Support
Grace B.
Canada · Oct 2025
Did the job without any drama. Topping up was straightforward when I needed more. Telling my friends about this.
Anna
GotoeSIM Support
· 9 months ago Thank you for the kind words, Grace! Great to know the setup was quick and easy. – Anna, eSIM TopUp Support
Sri G.
United States · Oct 2025
Worked fine but took a little while to connect at first.
Sophie
GotoeSIM Support
· 9 months ago So sorry to hear this, Sri. This isn't the standard we aim for. Please contact us at esimtopup.io/support and we'll sort it out. — Sophie, 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
Elena G.
Sweden · Oct 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email.
Sophie
GotoeSIM Support
· 10 months ago Really appreciate this, Elena! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Sophie, 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. · 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?