Japan eSIM — reviews & details
Japan 1GB/Day FUP1Mbps · 1 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Ravi C.
Italy · Aug 2026
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Five stars from me.
Laura
eSIM TopUp Support
· 2 days ago Cheers, Ravi! Delighted the speeds worked well for you. Enjoy your journeys! — Laura, eSIM TopUp Support
James D.
Netherlands · Aug 2026
Exactly what I needed for travelling. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Mark
eSIM TopUp Support
· 2 days ago Thanks a lot, James! Great to know the setup was quick and easy. Enjoy your journeys! — Mark
Ananya T.
Turkey · Aug 2026
Connected the moment I landed. Topping up was straightforward when I needed more.
Grace
eSIM TopUp Support
· 2 days ago Cheers, Ananya! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Grace, eSIM TopUp Support
Liam D.
Spain · Aug 2026
Connected the moment I landed in Japan. Customer support answered my question quickly. Highly recommend for any traveller.
Mark
eSIM TopUp Support
· 4 days ago Thank you for the kind words, Liam! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Mark 💜
Ravi P.
Brazil · Aug 2026
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Anna
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Ravi! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Anna, eSIM TopUp Support
Kenji D.
Canada · Aug 2026
Exactly what I needed for travelling. Customer support answered my question quickly. Exactly as described — no surprises.
David
eSIM TopUp Support
· 1 week ago So glad to hear this, Kenji! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — David
Pablo C.
Sweden · Aug 2026
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues. A must-have for international travel.
Diego
eSIM TopUp Support
· 1 week ago Cheers, Pablo! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Diego
Noah H.
Spain · Aug 2026
Install took me two tries but was fine after that. Signal held up well on trains and in rural areas.
Ingrid
eSIM TopUp Support
· 1 week ago So sorry to hear this, Noah. That's not the experience we want for Japan. Please contact us at esimtopup.io/support and we'll sort it out. – Ingrid 💜
Nguyen N.
Singapore · Jul 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Mark
eSIM TopUp Support
· 1 week ago Thanks a lot, Nguyen! Delighted the speeds worked well for you. — Mark
Louis G.
Portugal · Jul 2026
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Yuki
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Louis! Delighted the speeds worked well for you. We're here whenever you travel again. – Yuki, eSIM TopUp Support
Ethan B.
Indonesia · Jul 2026
Did the job without any drama. I kept my normal number for calls while using this for data. A must-have for international travel.
Mark
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Ethan! Great to know the setup was quick and easy. We're here whenever you travel again. — Mark, eSIM TopUp Support
Elena R.
South Korea · Jul 2026
First time using an eSIM and it was painless. Customer support answered my question quickly.
Sara
eSIM TopUp Support
· 1 week ago Thanks for sharing, Elena! Love that you were online the moment you landed in Japan. Come back anytime! — Sara
James S.
Switzerland · Jul 2026
Connected the moment I landed in Japan. Coverage was strong even outside the city.
Ken
eSIM TopUp Support
· 2 weeks ago Thanks a lot, James! Love that you were online the moment you landed in Japan. – Ken, eSIM TopUp Support
Ethan V.
Sweden · Jul 2026
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. A must-have for international travel.
Tom
eSIM TopUp Support
· 2 weeks ago Thanks for sharing, Ethan! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Tom, eSIM TopUp Support
Arjun R.
Spain · Jul 2026
Honestly better than buying a local SIM at the airport in Japan. Data lasted the whole trip with room to spare. Zero regrets.
Mark
eSIM TopUp Support
· 2 weeks ago Thank you for the kind words, Arjun! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Mark
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 1GB/Day FUP1Mbps plan costs $1.20 for 1 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
Priya C. · 2 months ago
Which networks does this connect to?
Haruto G. · 4 months ago
Great guide, the setup steps were really helpful.
Grace P. · 4 months ago
Can I use this for hotspot/tethering?
Elena N. · 5 months ago
How long does the QR code take to arrive after payment?
Camila L. · 5 months ago
Does this work on an iPhone 13?
Lucas C. · 6 months ago
Can I top up the same eSIM instead of buying a new one?
Andre S. · 7 months ago
Thanks, installed with no problems on my Samsung.
Grace G. · 8 months ago
Do I need to install it before I travel or after I arrive?
Kenji B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Linh F. · 10 months ago
How do I check how much data I have left?
Daniel B. · 1 year ago
Can I use it in nearby countries too?
Liam T. · 1 year ago
Is 5G supported or just 4G?