Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Sofia V.
South Korea · Dec 2025
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Ken
GotoeSIM Support
· 8 months ago Really appreciate this, Sofia! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Ken
Omar P.
Indonesia · Dec 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. A must-have for international travel.
Ingrid
GotoeSIM Support
· 8 months ago Thanks a lot, Omar! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Ingrid 💜
Sven W.
Germany · Dec 2025
Super easy to set up before I flew out in Japan. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 8 months ago Thank you for the kind words, Sven! Great to know the setup was quick and easy. Enjoy your journeys! – Ingrid 💜
Haruto T.
Egypt · Nov 2025
Saved me a fortune on my holiday. Streaming and video calls worked without buffering.
Yuki
GotoeSIM Support
· 8 months ago Thanks a lot, Haruto! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Yuki 💜
Marco P.
Thailand · Nov 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Would definitely buy again.
Sophie
GotoeSIM Support
· 8 months ago Thanks for sharing, Marco! Delighted the speeds worked well for you. — Sophie
Noah M.
Philippines · Nov 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Would definitely buy again.
Emma
GotoeSIM Support
· 8 months ago Really appreciate this, Noah! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Emma
Sarah N.
Ireland · Nov 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived.
Yuki
GotoeSIM Support
· 8 months ago Cheers, Sarah! Love that you were online the moment you landed in Japan. – Yuki 💜
Arjun L.
New Zealand · Nov 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Five stars from me.
Diego
GotoeSIM Support
· 8 months ago Thanks for sharing, Arjun! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Diego
Mateo F.
Sweden · Nov 2025
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 8 months ago Thanks a lot, Mateo! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Sara, eSIM TopUp Support
Giulia P.
Indonesia · Nov 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Made staying connected effortless.
Yuki
GotoeSIM Support
· 8 months ago So glad to hear this, Giulia! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Yuki
Grace V.
United Kingdom · Nov 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues.
James
GotoeSIM Support
· 9 months ago Thanks for sharing, Grace! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — James, eSIM TopUp Support
Nadia T.
Canada · Nov 2025
Did the job without any drama in Japan. I kept my normal number for calls while using this for data.
Priya
GotoeSIM Support
· 9 months ago Really appreciate this, Nadia! Thrilled it made staying connected effortless. — Priya
Diego K.
Portugal · Oct 2025
Exactly what I needed for travelling. Activation was automatic when I arrived. A must-have for international travel.
Sara
GotoeSIM Support
· 9 months ago Really appreciate this, Diego! Delighted the speeds worked well for you. – Sara 💜
Budi F.
South Korea · Oct 2025
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple.
Sara
GotoeSIM Support
· 9 months ago Thanks a lot, Budi! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Sara, eSIM TopUp Support
Ananya S.
Saudi Arabia · Oct 2025
Great value compared to roaming charges. I kept my normal number for calls while using this for data. A must-have for international travel.
Omar
GotoeSIM Support
· 9 months ago Cheers, Ananya! So pleased it saved you from roaming bills. — Omar
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days (IIJ) plan costs $12.30 for 20 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
Katya K. · 2 months ago
Is 5G supported or just 4G?
Katya V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Beatriz C. · 8 months ago
Is roaming charged extra or is it all included?
Lea B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Kenji R. · 9 months ago
Do I need to install it before I travel or after I arrive?
Zoe V. · 9 months ago
How do I check how much data I have left?
Grace C. · 10 months ago
Great guide, the setup steps were really helpful.
Camila M. · 11 months ago
Can I use it in nearby countries too?
Mateo B. · 11 months ago
Which networks does this connect to?
Beatriz R. · 11 months ago
Does the validity start on purchase or on first use?
Sarah V. · 11 months ago
How long does the QR code take to arrive after payment?
Thomas N. · 1 year ago
Can I top up the same eSIM instead of buying a new one?