Japan eSIM — reviews & details
Japan 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Yuki M.
Spain · Jul 2025
First time using an eSIM and it was painless in Japan. Speeds were solid for maps, messaging and browsing.
Ken
eSIM TopUp Support
· 1 year ago Really appreciate this, Yuki! Wonderful to hear it worked smoothly in Japan. – Ken 💜
James N.
India · Jun 2025
Bought it the night before my flight — smooth process in Japan. Setup instructions in the app were clear and simple.
Anna
eSIM TopUp Support
· 1 year ago Cheers, James! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support
Andre C.
Netherlands · Jun 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data.
Mark
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Andre! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Mark 💜
Viktor P.
New Zealand · Jun 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Great experience overall.
Anna
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Viktor! So pleased it saved you from roaming bills. — Anna, eSIM TopUp Support
Kenji N.
Portugal · Jun 2025
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Great experience overall.
Emma
eSIM TopUp Support
· 1 year ago Thanks a lot, Kenji! Wonderful to hear it worked smoothly in Japan. — Emma
Diego H.
United Kingdom · Jun 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Five stars from me.
David
eSIM TopUp Support
· 1 year ago Really appreciate this, Diego! Thrilled it made staying connected effortless. Enjoy your journeys! – David 💜
Carlos W.
Malaysia · Jun 2025
Did the job without any drama in Japan. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Sophie
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Carlos! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Sophie
James H.
Japan · Jun 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Zero regrets.
David
eSIM TopUp Support
· 1 year ago Thank you for the kind words, James! So happy the Japan eSIM kept you connected. — David, eSIM TopUp Support
Thomas C.
Portugal · May 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived in Japan. A must-have for international travel.
David
eSIM TopUp Support
· 1 year ago So glad to hear this, Thomas! Thrilled it made staying connected effortless. We're here whenever you travel again. — David
Max B.
India · May 2025
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas.
Mark
eSIM TopUp Support
· 1 year ago Cheers, Max! Great to know the setup was quick and easy. – Mark 💜
Pablo P.
Poland · May 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Great experience overall.
Laura
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Pablo! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Laura, eSIM TopUp Support
Marco W.
Poland · May 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived.
Ingrid
eSIM TopUp Support
· 1 year ago Thanks a lot, Marco! Delighted the speeds worked well for you. Enjoy your journeys! — Ingrid, eSIM TopUp Support
Elena F.
India · May 2025
Connected the moment I landed in Japan. Speeds were solid for maps, messaging and browsing.
Omar
eSIM TopUp Support
· 1 year ago Thank you so much, Elena! Love that you were online the moment you landed in Japan. Come back anytime! — Omar, eSIM TopUp Support
Katya F.
Egypt · May 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Omar
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Katya! Great to know the setup was quick and easy. — Omar, eSIM TopUp Support
Hugo S.
Egypt · May 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Five stars from me.
Yuki
eSIM TopUp Support
· 1 year ago So glad to hear this, Hugo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Yuki, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days plan costs $2.70 for 3 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 G. · 2 months ago
Is 5G supported or just 4G?
Pablo C. · 2 months ago
How do I check how much data I have left?
Grace G. · 2 months ago
Can I use this for hotspot/tethering?
Marco C. · 3 months ago
Can I use it in nearby countries too?
Lucas D. · 3 months ago
Great guide, the setup steps were really helpful.
Ingrid F. · 5 months ago
Is roaming charged extra or is it all included?
Pablo N. · 6 months ago
Does the validity start on purchase or on first use?
Olivia N. · 6 months ago
Does this work on an iPhone 13?
Linh T. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Viktor P. · 9 months ago
Thanks, installed with no problems on my Samsung.
Carlos L. · 9 months ago
Will this keep my WhatsApp active with my home number?
Sri N. · 1 year ago
Which networks does this connect to?