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
Lucia R.
Turkey · Dec 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly.
Emma
eSIM TopUp Support
· 7 months ago Thanks for sharing, Lucia! Great to know the setup was quick and easy. Enjoy your journeys! – Emma 💜
Noah M.
Japan · Dec 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Would definitely buy again.
Emma
eSIM TopUp Support
· 7 months ago So glad to hear this, Noah! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Emma
Olivia F.
Germany · Dec 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Zero regrets.
Sophie
eSIM TopUp Support
· 7 months ago Thank you for the kind words, Olivia! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Sophie
Noah L.
Mexico · Dec 2025
Super easy to set up before I flew out. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Sara
eSIM TopUp Support
· 7 months ago Cheers, Noah! Thrilled it made staying connected effortless. – Sara 💜
Sofia L.
Sweden · Dec 2025
Connected the moment I landed. I kept my normal number for calls while using this for data.
Laura
eSIM TopUp Support
· 8 months ago Thank you so much, Sofia! Thrilled it made staying connected effortless. We're here whenever you travel again. – Laura 💜
Ava W.
New Zealand · Dec 2025
Exactly what I needed for travelling in Japan. Coverage was strong even outside the city. Five stars from me.
James
eSIM TopUp Support
· 8 months ago So glad to hear this, Ava! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — James
Sarah P.
Germany · Dec 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Ingrid
eSIM TopUp Support
· 8 months ago So glad to hear this, Sarah! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Ingrid
Camila F.
India · Dec 2025
Connected the moment I landed. Streaming and video calls worked without buffering.
Yuki
eSIM TopUp Support
· 8 months ago Thank you so much, Camila! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Yuki
Lea S.
India · Dec 2025
Did the job without any drama. Setup instructions in the app were clear and simple.
Diego
eSIM TopUp Support
· 8 months ago Thank you so much, Lea! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Diego, eSIM TopUp Support
Ryan W.
Thailand · Dec 2025
First time using an eSIM and it was painless in Japan. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Diego
eSIM TopUp Support
· 8 months ago So glad to hear this, Ryan! Love that you were online the moment you landed in Japan. – Diego, eSIM TopUp Support
Min-jun V.
Philippines · Dec 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Anna
eSIM TopUp Support
· 8 months ago Really appreciate this, Min-jun! Delighted the speeds worked well for you. Enjoy your journeys! – Anna 💜
Fatima V.
Indonesia · Dec 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues. A must-have for international travel.
Priya
eSIM TopUp Support
· 8 months ago Thank you for the kind words, Fatima! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Max B.
Mexico · Dec 2025
Super easy to set up before I flew out in Japan. The QR code arrived instantly by email. Would definitely buy again.
Mark
eSIM TopUp Support
· 8 months ago Cheers, Max! So pleased it saved you from roaming bills. We're here whenever you travel again. — Mark
Emma F.
Japan · Dec 2025
Super easy to set up before I flew out in Japan. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Tom
eSIM TopUp Support
· 8 months ago Really appreciate this, Emma! Love that you were online the moment you landed in Japan. – Tom, eSIM TopUp Support
Ryan K.
Indonesia · Nov 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. Great experience overall.
Ingrid
eSIM TopUp Support
· 8 months ago Thanks for sharing, Ryan! Wonderful to hear it worked smoothly in Japan. — Ingrid, 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?