Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Hugo N.
Portugal · Oct 2024
Used this on my trip and it worked perfectly in Japan. Streaming and video calls worked without buffering. Zero regrets.
David
GotoeSIM Support
· 1 year ago Thank you so much, Hugo! So happy the Japan eSIM kept you connected. – David 💜
Ji-woo L.
Poland · Oct 2024
Exactly what I needed for travelling. Customer support answered my question quickly. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago Cheers, Ji-woo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support
Priya S.
Japan · Oct 2024
Connected the moment I landed. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 1 year ago Thanks a lot, Priya! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Mark, eSIM TopUp Support
Ava L.
France · Oct 2024
Used this on my trip and it worked perfectly in Japan. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Ava! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara, eSIM TopUp Support
Nguyen L.
Netherlands · Oct 2024
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Great experience overall.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Nguyen! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Diego
Carlos S.
New Zealand · Oct 2024
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Carlos! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Laura, eSIM TopUp Support
Yuki G.
Turkey · Oct 2024
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Yuki! So happy the Japan eSIM kept you connected. — Anna, eSIM TopUp Support
Marco V.
India · Sep 2024
Exactly what I needed for travelling. The QR code arrived instantly by email.
Tom
GotoeSIM Support
· 1 year ago Cheers, Marco! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Tom, eSIM TopUp Support
Max N.
Philippines · Sep 2024
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Highly recommend for any traveller.
David
GotoeSIM Support
· 1 year ago Cheers, Max! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — David
Priya N.
France · Sep 2024
Did the job without any drama. Setup instructions in the app were clear and simple. Made staying connected effortless.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Priya! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Yuki
Louis R.
Thailand · Sep 2024
First time using an eSIM and it was painless in Japan. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 1 year ago Thank you for the kind words, Louis! Delighted the speeds worked well for you. – Sara 💜
Grace M.
United Kingdom · Sep 2024
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Made staying connected effortless.
James
GotoeSIM Support
· 1 year ago Cheers, Grace! Great to know the setup was quick and easy. Enjoy your journeys! – James 💜
Sarah L.
Turkey · Sep 2024
First time using an eSIM and it was painless. Customer support answered my question quickly. Zero regrets.
Diego
GotoeSIM Support
· 1 year ago Thank you so much, Sarah! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Diego
Max R.
Vietnam · Sep 2024
Exactly what I needed for travelling in Japan. Signal held up well on trains and in rural areas. A must-have for international travel.
David
GotoeSIM Support
· 1 year ago Thanks a lot, Max! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – David 💜
James W.
Ireland · Sep 2024
First time using an eSIM and it was painless in Japan. I kept my normal number for calls while using this for data.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, James! Great to know the setup was quick and easy. Enjoy your journeys! – Grace, eSIM TopUp Support
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?