Japan eSIM — reviews & details
Japan 10GB 30Days (IIJ) · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Sven R.
France · May 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas.
Anna
GotoeSIM Support
· 1 year ago Cheers, Sven! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Anna, eSIM TopUp Support
Anna N.
Australia · Apr 2025
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 1 year ago So glad to hear this, Anna! Great to know the setup was quick and easy. Enjoy your journeys! — Anna
Anna T.
India · Apr 2025
First time using an eSIM and it was painless in Japan. I kept my normal number for calls while using this for data. Five stars from me.
Laura
GotoeSIM Support
· 1 year ago Thank you so much, Anna! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Laura
Mohammed L.
Turkey · Apr 2025
First time using an eSIM and it was painless in Japan. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 year ago Cheers, Mohammed! So happy the Japan eSIM kept you connected. — David, eSIM TopUp Support
Viktor H.
Australia · Apr 2025
No more hunting for a SIM card kiosk on arrival in Japan. Ran hotspot to my laptop with no issues.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Viktor! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Laura, eSIM TopUp Support
Ethan H.
Germany · Apr 2025
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 year ago Cheers, Ethan! So pleased it saved you from roaming bills. — Anna
Elena K.
Vietnam · Apr 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 1 year ago Cheers, Elena! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Tom
Arjun B.
Australia · Apr 2025
Exactly what I needed for travelling in Japan. I kept my normal number for calls while using this for data.
Sara
GotoeSIM Support
· 1 year ago Thanks for sharing, Arjun! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Sara, eSIM TopUp Support
Camila L.
Indonesia · Mar 2025
First time using an eSIM and it was painless. Customer support answered my question quickly. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 1 year ago Cheers, Camila! So pleased it saved you from roaming bills. – Diego, eSIM TopUp Support
Liam L.
Egypt · Mar 2025
Super easy to set up before I flew out in Japan. Signal held up well on trains and in rural areas. A must-have for international travel.
Tom
GotoeSIM Support
· 1 year 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! — Tom
Linh V.
Italy · Mar 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Made staying connected effortless.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Linh! Delighted the speeds worked well for you. — Diego
Chloe T.
Spain · Mar 2025
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Great experience overall.
Emma
GotoeSIM Support
· 1 year ago Thanks a lot, Chloe! Great to know the setup was quick and easy. – Emma, eSIM TopUp Support
Diego H.
Portugal · Mar 2025
Did the job without any drama in Japan. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 1 year ago Thanks for sharing, Diego! So pleased it saved you from roaming bills. — Ken
Ryan W.
Thailand · Mar 2025
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more. A must-have for international travel.
Mark
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ryan! So happy the Japan eSIM kept you connected. — Mark
Nguyen T.
United States · Mar 2025
Super easy to set up before I flew out in Japan. Topping up was straightforward when I needed more. Great experience overall.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Nguyen! Delighted the speeds worked well for you. – Diego, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 10GB 30Days (IIJ) plan costs $7.05 for 10 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 R. · 1 week ago
How do I check how much data I have left?
Isabella V. · 3 months ago
Does the validity start on purchase or on first use?
Somchai W. · 3 months ago
Do I need to install it before I travel or after I arrive?
Fatima B. · 4 months ago
Can I use it in nearby countries too?
Hana L. · 6 months ago
Great guide, the setup steps were really helpful.
Beatriz C. · 6 months ago
Will this keep my WhatsApp active with my home number?
Viktor P. · 7 months ago
How long does the QR code take to arrive after payment?
Mateo D. · 7 months ago
Can I top up the same eSIM instead of buying a new one?
Pablo G. · 7 months ago
Which networks does this connect to?
Ryan G. · 10 months ago
Is roaming charged extra or is it all included?
Nadia B. · 1 year ago
Is 5G supported or just 4G?
Sven G. · 1 year ago
Does this work on an iPhone 13?