Japan eSIM — reviews & details
Japan 10GB 30Days (IIJ) · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Sophia V.
Australia · Mar 2026
First time using an eSIM and it was painless in Japan. Topping up was straightforward when I needed more. A must-have for international travel.
Diego
GotoeSIM Support
· 4 months ago Thank you so much, Sophia! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Diego, eSIM TopUp Support
Wei F.
Sweden · Mar 2026
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.
Grace
GotoeSIM Support
· 4 months ago Thank you so much, Wei! Thrilled it made staying connected effortless. We're here whenever you travel again. – Grace 💜
Katya W.
Thailand · Mar 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 5 months ago So glad to hear this, Katya! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Laura
Mateo V.
Turkey · Mar 2026
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. A must-have for international travel.
Laura
GotoeSIM Support
· 5 months ago Really appreciate this, Mateo! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Laura, eSIM TopUp Support
Viktor S.
United States · Mar 2026
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Telling my friends about this.
Ken
GotoeSIM Support
· 5 months ago So glad to hear this, Viktor! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Ken
Ananya N.
Japan · Feb 2026
Great value compared to roaming charges in Japan. Topping up was straightforward when I needed more. A must-have for international travel.
Mark
GotoeSIM Support
· 5 months ago Thanks for sharing, Ananya! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Mark
Emma W.
Turkey · Feb 2026
Super easy to set up before I flew out in Japan. Streaming and video calls worked without buffering.
Priya
GotoeSIM Support
· 5 months ago Really appreciate this, Emma! Delighted the speeds worked well for you. – Priya, eSIM TopUp Support
Lucia N.
UAE · Feb 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Anna
GotoeSIM Support
· 5 months ago Thank you for the kind words, Lucia! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Anna, eSIM TopUp Support
Ava M.
United Kingdom · Feb 2026
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 6 months ago Cheers, Ava! Wonderful to hear it worked smoothly in Japan. – Sophie, eSIM TopUp Support
Nguyen M.
Indonesia · Feb 2026
Did the job without any drama. Customer support answered my question quickly. Five stars from me.
Sara
GotoeSIM Support
· 6 months ago Thanks for sharing, Nguyen! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Sara
Noah T.
Japan · Feb 2026
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Zero regrets.
Priya
GotoeSIM Support
· 6 months ago Really appreciate this, Noah! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Priya
Somchai D.
Canada · Jan 2026
Did the job without any drama. The QR code arrived instantly by email.
Mark
GotoeSIM Support
· 6 months ago Cheers, Somchai! So pleased it saved you from roaming bills. Come back anytime! – Mark 💜
Somchai W.
Sweden · Jan 2026
Honestly better than buying a local SIM at the airport in Japan. Customer support answered my question quickly. Made staying connected effortless.
Emma
GotoeSIM Support
· 6 months ago Thank you so much, Somchai! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Emma
Zoe M.
Portugal · Jan 2026
Super easy to set up before I flew out in Japan. Coverage was strong even outside the city. Five stars from me.
Priya
GotoeSIM Support
· 6 months ago So glad to hear this, Zoe! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Priya, eSIM TopUp Support
Lucia N.
Mexico · Jan 2026
Installed in minutes by scanning the QR code in Japan. Setup instructions in the app were clear and simple.
Sara
GotoeSIM Support
· 6 months ago Thank you so much, Lucia! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Sara, 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?