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
Pablo P.
Poland · May 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Great experience overall.
Laura
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Pablo! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Laura, eSIM TopUp Support
Marco W.
Poland · May 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived.
Ingrid
eSIM TopUp Support
· 1 year ago Thanks a lot, Marco! Delighted the speeds worked well for you. Enjoy your journeys! — Ingrid, eSIM TopUp Support
Andre N.
Australia · May 2025
Install took me two tries but was fine after that. The QR code arrived instantly by email.
Grace
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Andre. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Grace
Isabella T.
India · May 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Zero regrets.
Omar
eSIM TopUp Support
· 1 year ago Cheers, Isabella! So pleased it saved you from roaming bills. Come back anytime! – Omar 💜
Marco N.
Thailand · May 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Telling my friends about this.
Ingrid
eSIM TopUp Support
· 1 year ago Really appreciate this, Marco! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Ingrid, eSIM TopUp Support
Elena F.
India · May 2025
Connected the moment I landed in Japan. Speeds were solid for maps, messaging and browsing.
Omar
eSIM TopUp Support
· 1 year ago Thank you so much, Elena! Love that you were online the moment you landed in Japan. Come back anytime! — Omar, eSIM TopUp Support
Katya F.
Egypt · May 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Omar
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Katya! Great to know the setup was quick and easy. — Omar, eSIM TopUp Support
Hugo S.
Egypt · May 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Five stars from me.
Yuki
eSIM TopUp Support
· 1 year ago So glad to hear this, Hugo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Yuki, eSIM TopUp Support
Sri S.
Japan · May 2025
Install took me two tries but was fine after that. Data lasted the whole trip with room to spare.
Ingrid
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Sri. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Ingrid, eSIM TopUp Support
Nadia W.
UAE · May 2025
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Ken
eSIM TopUp Support
· 1 year ago Cheers, Nadia! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — Ken, eSIM TopUp Support
Ava V.
France · May 2025
Saved me a fortune on my holiday. Coverage was strong even outside the city. Five stars from me.
Grace
eSIM TopUp Support
· 1 year ago Thanks a lot, Ava! Great to know the setup was quick and easy. Come back anytime! – Grace 💜
Beatriz L.
Vietnam · May 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Made staying connected effortless.
David
eSIM TopUp Support
· 1 year ago Really appreciate this, Beatriz! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — David, eSIM TopUp Support
Arjun K.
Switzerland · Apr 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple.
David
eSIM TopUp Support
· 1 year ago So glad to hear this, Arjun! Delighted the speeds worked well for you. Enjoy your journeys! — David
Anna H.
Brazil · Apr 2025
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Great experience overall.
Grace
eSIM TopUp Support
· 1 year ago Thank you so much, Anna! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Grace
Louis K.
South Korea · Apr 2025
Great value compared to roaming charges. Coverage was strong even outside the city.
Sara
eSIM TopUp Support
· 1 year ago Thank you so much, Louis! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Sara, 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?