Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Pablo K.
Poland · Apr 2026
Connected the moment I landed. Setup instructions in the app were clear and simple.
Ken
GotoeSIM Support
· 4 months ago So glad to hear this, Pablo! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Ken, eSIM TopUp Support
Sarah K.
Indonesia · Mar 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. A must-have for international travel.
Priya
GotoeSIM Support
· 4 months ago Thanks for sharing, Sarah! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Sofia H.
Canada · Mar 2026
Great value compared to roaming charges. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 4 months ago Really appreciate this, Sofia! Thrilled it made staying connected effortless. – Sara 💜
Marco T.
Australia · Mar 2026
Saved me a fortune on my holiday in Japan. Topping up was straightforward when I needed more. Exactly as described — no surprises.
James
GotoeSIM Support
· 4 months ago Thanks a lot, Marco! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — James, eSIM TopUp Support
Viktor N.
Netherlands · Mar 2026
Used this on my trip and it worked perfectly in Japan. Ran hotspot to my laptop with no issues.
Priya
GotoeSIM Support
· 4 months ago Thank you for the kind words, Viktor! Wonderful to hear it worked smoothly in Japan. — Priya
Max L.
Japan · Mar 2026
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. Zero regrets.
Priya
GotoeSIM Support
· 5 months ago Cheers, Max! So pleased it saved you from roaming bills. Enjoy your journeys! – Priya, eSIM TopUp Support
James M.
Brazil · Mar 2026
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Grace
GotoeSIM Support
· 5 months ago Thank you for the kind words, James! Love that you were online the moment you landed in Japan. — Grace, eSIM TopUp Support
Lea P.
Singapore · Mar 2026
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Would definitely buy again.
Tom
GotoeSIM Support
· 5 months ago Thanks for sharing, Lea! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Tom
Ryan P.
Malaysia · Mar 2026
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Emma
GotoeSIM Support
· 5 months ago Cheers, Ryan! Thrilled it made staying connected effortless. – Emma, eSIM TopUp Support
Wei V.
Turkey · Mar 2026
Saved me a fortune on my holiday. Streaming and video calls worked without buffering.
Sophie
GotoeSIM Support
· 5 months ago Thank you for the kind words, Wei! So happy the Japan eSIM kept you connected. Come back anytime! – Sophie, eSIM TopUp Support
Haruto S.
Germany · Mar 2026
Did the job without any drama. Topping up was straightforward when I needed more. Five stars from me.
Sophie
GotoeSIM Support
· 5 months ago So glad to hear this, Haruto! Great to know the setup was quick and easy. We're here whenever you travel again. — Sophie
Mateo K.
India · Mar 2026
Exactly what I needed for travelling in Japan. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 5 months ago Cheers, Mateo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Diego
Priya S.
United Kingdom · Mar 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Exactly as described — no surprises.
David
GotoeSIM Support
· 5 months ago Thanks a lot, Priya! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – David 💜
Camila C.
Portugal · Mar 2026
Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email.
James
GotoeSIM Support
· 5 months ago Cheers, Camila! So happy the Japan eSIM kept you connected. — James
Priya C.
United States · Mar 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 5 months ago Thanks for sharing, Priya! Great to know the setup was quick and easy. Come back anytime! — Mark
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 15Days (IIJ) plan costs $2.55 for 3 GB over 15 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
Budi L. · 1 week ago
Does this work on an iPhone 13?
Sri M. · 3 weeks ago
Will this keep my WhatsApp active with my home number?
Andre D. · 3 months ago
Can I use it in nearby countries too?
Min-jun G. · 4 months ago
Can I top up the same eSIM instead of buying a new one?
Ava S. · 4 months ago
Is roaming charged extra or is it all included?
Emma T. · 4 months ago
Does the validity start on purchase or on first use?
Ravi W. · 5 months ago
Can I use this for hotspot/tethering?
Sofia H. · 6 months ago
Great guide, the setup steps were really helpful.
Lucas G. · 9 months ago
Is 5G supported or just 4G?
Mei N. · 9 months ago
Which networks does this connect to?
Omar P. · 9 months ago
Do I need to install it before I travel or after I arrive?
Olivia D. · 1 year ago
How long does the QR code take to arrive after payment?