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
Mohammed B.
Ireland · Apr 2026
Great value compared to roaming charges in Japan. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Omar
eSIM TopUp Support
· 3 months ago Thanks for sharing, Mohammed! Love that you were online the moment you landed in Japan. Come back anytime! — Omar, eSIM TopUp Support
Hugo V.
France · Apr 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Great experience overall.
Grace
eSIM TopUp Support
· 3 months ago Really appreciate this, Hugo! Delighted the speeds worked well for you. Come back anytime! — Grace, eSIM TopUp Support
Min-jun C.
Canada · Apr 2026
No more hunting for a SIM card kiosk on arrival in Japan. Coverage was strong even outside the city. Exactly as described — no surprises.
James
eSIM TopUp Support
· 3 months ago Really appreciate this, Min-jun! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — James
Ingrid P.
Switzerland · Apr 2026
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Five stars from me.
Ingrid
eSIM TopUp Support
· 3 months ago So glad to hear this, Ingrid! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Ingrid
Kenji R.
Switzerland · Apr 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering.
Sara
eSIM TopUp Support
· 3 months ago Cheers, Kenji! Thrilled it made staying connected effortless. Enjoy your journeys! — Sara
Sri W.
Turkey · Apr 2026
Great value compared to roaming charges in Japan. Customer support answered my question quickly.
David
eSIM TopUp Support
· 3 months ago Thanks for sharing, Sri! Delighted the speeds worked well for you. We're here whenever you travel again. — David
Olivia H.
Saudi Arabia · Apr 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Anna
eSIM TopUp Support
· 3 months ago So glad to hear this, Olivia! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Anna 💜
Ananya B.
Indonesia · Apr 2026
Installed in minutes by scanning the QR code in Japan. Topping up was straightforward when I needed more. Would definitely buy again.
Anna
eSIM TopUp Support
· 3 months ago Cheers, Ananya! Thrilled it made staying connected effortless. Come back anytime! – Anna 💜
Pablo N.
Switzerland · Apr 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data.
James
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Pablo! So pleased it saved you from roaming bills. – James, eSIM TopUp Support
Somchai L.
France · Apr 2026
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Zero regrets.
Ingrid
eSIM TopUp Support
· 4 months ago Thanks for sharing, Somchai! Love that you were online the moment you landed in Japan. — Ingrid, eSIM TopUp Support
Thomas W.
Portugal · Apr 2026
Super easy to set up before I flew out. Customer support answered my question quickly.
Ingrid
eSIM TopUp Support
· 4 months ago Thanks a lot, Thomas! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Ingrid, eSIM TopUp Support
Beatriz K.
Canada · Apr 2026
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. Would definitely buy again.
Yuki
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Beatriz! Delighted the speeds worked well for you. — Yuki
Min-jun H.
India · Apr 2026
Exactly what I needed for travelling in Japan. Customer support answered my question quickly. Would definitely buy again.
Emma
eSIM TopUp Support
· 4 months ago Thank you for the kind words, Min-jun! So happy the Japan eSIM kept you connected. – Emma, eSIM TopUp Support
Linh L.
Brazil · Apr 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Priya
eSIM TopUp Support
· 4 months ago Thanks for sharing, Linh! Love that you were online the moment you landed in Japan. — Priya
Katya T.
Malaysia · Apr 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Sophie
eSIM TopUp Support
· 4 months ago Thank you so much, Katya! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Sophie, 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?