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
Budi G.
India · Aug 2025
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Zero regrets.
Omar
eSIM TopUp Support
· 11 months ago Thanks for sharing, Budi! Great to know the setup was quick and easy. Enjoy your journeys! – Omar 💜
Ethan L.
Italy · Aug 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Emma
eSIM TopUp Support
· 11 months ago We're really sorry, Ethan. This isn't the standard we aim for. Please contact us at esimtopup.io/support and we'll sort it out. – Emma, eSIM TopUp Support
Haruto F.
France · Aug 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more.
Sara
eSIM TopUp Support
· 11 months ago Really appreciate this, Haruto! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Sara, eSIM TopUp Support
Arjun P.
Japan · Aug 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Great experience overall.
Priya
eSIM TopUp Support
· 11 months ago Really appreciate this, Arjun! Thrilled it made staying connected effortless. Enjoy your journeys! — Priya
Linh L.
Portugal · Aug 2025
Honestly better than buying a local SIM at the airport in Japan. Signal held up well on trains and in rural areas.
James
eSIM TopUp Support
· 11 months ago Really appreciate this, Linh! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – James 💜
Ethan S.
UAE · Aug 2025
Connected the moment I landed in Japan. Signal held up well on trains and in rural areas. Zero regrets.
Laura
eSIM TopUp Support
· 11 months ago Thank you so much, Ethan! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Laura, eSIM TopUp Support
Sophia B.
Switzerland · Aug 2025
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. Great experience overall.
Sara
eSIM TopUp Support
· 11 months ago Thanks for sharing, Sophia! Thrilled it made staying connected effortless. Enjoy your journeys! – Sara 💜
Sofia M.
Portugal · Aug 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email. Five stars from me.
Laura
eSIM TopUp Support
· 11 months ago Thanks a lot, Sofia! Delighted the speeds worked well for you. – Laura, eSIM TopUp Support
Ananya V.
Brazil · Aug 2025
Exactly what I needed for travelling in Japan. The QR code arrived instantly by email.
Diego
eSIM TopUp Support
· 11 months ago Really appreciate this, Ananya! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Diego, eSIM TopUp Support
Max D.
Philippines · Aug 2025
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Great experience overall.
Mark
eSIM TopUp Support
· 11 months ago Cheers, Max! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Hugo N.
New Zealand · Aug 2025
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Highly recommend for any traveller.
Laura
eSIM TopUp Support
· 1 year ago Thank you so much, Hugo! Wonderful to hear it worked smoothly in Japan. – Laura 💜
Hugo M.
Japan · Aug 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Would definitely buy again.
Omar
eSIM TopUp Support
· 1 year ago Thank you so much, Hugo! So pleased it saved you from roaming bills. – Omar 💜
Olivia N.
Spain · Aug 2025
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare.
Tom
eSIM TopUp Support
· 1 year ago Cheers, Olivia! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Tom 💜
Olivia N.
Germany · Aug 2025
Did the job without any drama. Activation was automatic when I arrived. Made staying connected effortless.
Yuki
eSIM TopUp Support
· 1 year ago Thank you so much, Olivia! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Yuki, eSIM TopUp Support
Sarah V.
Japan · Aug 2025
Decent speeds, though slower than I expected in a few spots.
James
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Sarah. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — James, 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?