Japan eSIM — reviews & details
Japan 10GB 30Days (IIJ) · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ryan D.
Egypt · May 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Zero regrets.
Omar
GotoeSIM Support
· 2 months ago Really appreciate this, Ryan! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Omar
Lea S.
United States · May 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Telling my friends about this.
Yuki
GotoeSIM Support
· 2 months ago So glad to hear this, Lea! So pleased it saved you from roaming bills. Come back anytime! — Yuki, eSIM TopUp Support
Nguyen W.
Singapore · May 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Yuki
GotoeSIM Support
· 2 months ago So glad to hear this, Nguyen! So pleased it saved you from roaming bills. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Olivia N.
Italy · May 2026
Saved me a fortune on my holiday in Japan. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 3 months ago Really appreciate this, Olivia! So pleased it saved you from roaming bills. We're here whenever you travel again. — Omar
Chloe C.
India · Apr 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. Zero regrets.
Yuki
GotoeSIM Support
· 3 months ago Thanks a lot, Chloe! Delighted the speeds worked well for you. – Yuki 💜
Fatima K.
Portugal · Apr 2026
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. Made staying connected effortless.
Mark
GotoeSIM Support
· 4 months ago Really appreciate this, Fatima! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Mark
Emma B.
Saudi Arabia · Apr 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city. A must-have for international travel.
Anna
GotoeSIM Support
· 4 months ago Thanks for sharing, Emma! So pleased it saved you from roaming bills. – Anna 💜
Aisha C.
Indonesia · Apr 2026
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. A must-have for international travel.
Yuki
GotoeSIM Support
· 4 months ago Thank you so much, Aisha! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Yuki, eSIM TopUp Support
Louis G.
Germany · Apr 2026
Did the job without any drama. Speeds were solid for maps, messaging and browsing.
Ingrid
GotoeSIM Support
· 4 months ago Thank you for the kind words, Louis! So happy the Japan eSIM kept you connected. Come back anytime! – Ingrid, eSIM TopUp Support
Ananya V.
Portugal · Apr 2026
Did the job without any drama. The QR code arrived instantly by email.
David
GotoeSIM Support
· 4 months ago Thank you for the kind words, Ananya! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — David, eSIM TopUp Support
Lucas P.
Egypt · Mar 2026
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 4 months ago Really appreciate this, Lucas! Delighted the speeds worked well for you. We're here whenever you travel again. – Anna 💜
Sven C.
United Kingdom · Mar 2026
Connected the moment I landed. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 4 months ago Really appreciate this, Sven! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Sara
Ingrid W.
United Kingdom · Mar 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Would definitely buy again.
Diego
GotoeSIM Support
· 4 months ago Thanks a lot, Ingrid! Delighted the speeds worked well for you. Enjoy your journeys! – Diego, eSIM TopUp Support
Daniel B.
Malaysia · Mar 2026
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Made staying connected effortless.
Omar
GotoeSIM Support
· 4 months ago Really appreciate this, Daniel! So pleased it saved you from roaming bills. – Omar 💜
Pablo H.
Philippines · Mar 2026
Connected the moment I landed. Topping up was straightforward when I needed more. Zero regrets.
Anna
GotoeSIM Support
· 4 months ago Thanks a lot, Pablo! So pleased it saved you from roaming bills. Enjoy your journeys! – Anna 💜
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?