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 N.
Mexico · Apr 2026
Install took me two tries but was fine after that.
Ingrid
eSIM TopUp Support
· 4 months ago Thank you for taking the time, Yuki. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Ingrid, eSIM TopUp Support
Emma H.
France · Mar 2026
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Made staying connected effortless.
Tom
eSIM TopUp Support
· 4 months ago So glad to hear this, Emma! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Tom, eSIM TopUp Support
Arjun F.
Egypt · Mar 2026
Connected the moment I landed. Ran hotspot to my laptop with no issues.
Priya
eSIM TopUp Support
· 4 months ago Really appreciate this, Arjun! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Sarah L.
Australia · Mar 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Would definitely buy again.
Sara
eSIM TopUp Support
· 4 months ago Thanks for sharing, Sarah! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara 💜
Ryan K.
UAE · Mar 2026
Worked fine but took a little while to connect at first. Activation was automatic when I arrived.
Yuki
eSIM TopUp Support
· 4 months ago Thank you for taking the time, Ryan. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Yuki 💜
Giulia B.
Brazil · Mar 2026
Exactly what I needed for travelling. Activation was automatic when I arrived. Telling my friends about this.
Omar
eSIM TopUp Support
· 4 months ago Thank you so much, Giulia! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Omar 💜
Sven H.
UAE · Mar 2026
Super easy to set up before I flew out. The QR code arrived instantly by email. Great experience overall.
Sophie
eSIM TopUp Support
· 4 months ago Thanks a lot, Sven! So pleased it saved you from roaming bills. We're here whenever you travel again. — Sophie
Viktor P.
UAE · Mar 2026
Honestly better than buying a local SIM at the airport in Japan. Streaming and video calls worked without buffering.
Mark
eSIM TopUp Support
· 4 months ago Thanks for sharing, Viktor! So happy the Japan eSIM kept you connected. — Mark, eSIM TopUp Support
Yuki G.
Philippines · Mar 2026
Exactly what I needed for travelling in Japan. The QR code arrived instantly by email. Highly recommend for any traveller.
Ken
eSIM TopUp Support
· 4 months ago Thank you so much, Yuki! Great to know the setup was quick and easy. — Ken
Priya W.
Philippines · Mar 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived. Great experience overall.
Diego
eSIM TopUp Support
· 4 months ago Really appreciate this, Priya! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Diego 💜
Sophia W.
Turkey · Mar 2026
First time using an eSIM and it was painless in Japan. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Emma
eSIM TopUp Support
· 4 months ago Thanks for sharing, Sophia! Delighted the speeds worked well for you. Come back anytime! – Emma, eSIM TopUp Support
Hana B.
Turkey · Mar 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
Anna
eSIM TopUp Support
· 4 months ago Really appreciate this, Hana! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Anna 💜
Katya F.
Canada · Mar 2026
Connected the moment I landed. Activation was automatic when I arrived.
Diego
eSIM TopUp Support
· 4 months ago Cheers, Katya! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Diego 💜
Camila H.
Japan · Mar 2026
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Ingrid
eSIM TopUp Support
· 4 months ago Appreciate you sharing this, Camila. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Ingrid, eSIM TopUp Support
Ethan H.
Brazil · Mar 2026
Honestly better than buying a local SIM at the airport in Japan. The QR code arrived instantly by email.
Tom
eSIM TopUp Support
· 4 months ago Thanks for sharing, Ethan! So happy the Japan eSIM kept you connected. Come back anytime! – Tom 💜
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?