Japan eSIM — reviews & details
Japan 10GB 30Days (IIJ) · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Max H.
Philippines · Sep 2025
Did the job without any drama. Coverage was strong even outside the city. Made staying connected effortless.
Tom
GotoeSIM Support
· 10 months ago Really appreciate this, Max! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Tom 💜
Sarah K.
Australia · Sep 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Telling my friends about this.
Omar
GotoeSIM Support
· 10 months ago Thanks a lot, Sarah! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Omar, eSIM TopUp Support
Priya B.
Portugal · Sep 2025
Super easy to set up before I flew out in Japan. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 10 months ago Really appreciate this, Priya! So pleased it saved you from roaming bills. — Grace, eSIM TopUp Support
Aisha P.
Mexico · Sep 2025
Great value compared to roaming charges in Japan. Signal held up well on trains and in rural areas. Zero regrets.
Ken
GotoeSIM Support
· 10 months ago So glad to hear this, Aisha! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Ken 💜
Min-jun M.
Brazil · Sep 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 11 months ago Thanks for sharing, Min-jun! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Emma, eSIM TopUp Support
Mateo P.
Switzerland · Aug 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 11 months ago Really appreciate this, Mateo! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Anna
Sven W.
New Zealand · Aug 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data.
James
GotoeSIM Support
· 11 months ago Thank you for the kind words, Sven! So happy the Japan eSIM kept you connected. Enjoy your journeys! — James
Giulia R.
Japan · Jul 2025
Did the job without any drama in Japan. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Giulia! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Priya
Elena N.
Thailand · Jul 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Great experience overall.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Elena! Thrilled it made staying connected effortless. We're here whenever you travel again. – Ingrid, eSIM TopUp Support
Daniel C.
Turkey · Jul 2025
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing.
Anna
GotoeSIM Support
· 1 year ago Cheers, Daniel! Delighted the speeds worked well for you. — Anna, eSIM TopUp Support
Nadia C.
Poland · Jul 2025
Did the job without any drama in Japan. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 year ago Thanks a lot, Nadia! Great to know the setup was quick and easy. Enjoy your journeys! — David, eSIM TopUp Support
Mohammed K.
Mexico · Jun 2025
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 1 year ago So glad to hear this, Mohammed! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Yuki
Ryan S.
Germany · Jun 2025
Great value compared to roaming charges in Japan. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Ryan! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Yuki, eSIM TopUp Support
Fatima R.
India · Jun 2025
Did the job without any drama. I kept my normal number for calls while using this for data.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Fatima! Thrilled it made staying connected effortless. Come back anytime! — Priya, eSIM TopUp Support
Ananya W.
New Zealand · Jun 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Zero regrets.
Priya
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ananya! Thrilled it made staying connected effortless. We're here whenever you travel again. – Priya, 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?