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
Lea T.
Italy · Jun 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Telling my friends about this.
Sara
eSIM TopUp Support
· 1 month ago Thank you for the kind words, Lea! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Sara, eSIM TopUp Support
Sven P.
Mexico · Jun 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Exactly as described — no surprises.
Diego
eSIM TopUp Support
· 1 month ago Thanks a lot, Sven! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Diego, eSIM TopUp Support
Lucas N.
Canada · Jun 2026
Connected the moment I landed. Activation was automatic when I arrived.
Ken
eSIM TopUp Support
· 2 months ago Thank you for the kind words, Lucas! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Ken, eSIM TopUp Support
Diego T.
Italy · Jun 2026
Saved me a fortune on my holiday. Streaming and video calls worked without buffering.
Sara
eSIM TopUp Support
· 2 months ago Cheers, Diego! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Sara 💜
Lucas C.
Mexico · Jun 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Great experience overall.
David
eSIM TopUp Support
· 2 months ago Thanks a lot, Lucas! Love that you were online the moment you landed in Japan. Enjoy your journeys! – David, eSIM TopUp Support
Beatriz L.
Mexico · Jun 2026
Great value compared to roaming charges in Japan. Signal held up well on trains and in rural areas. Great experience overall.
Yuki
eSIM TopUp Support
· 2 months ago Thank you so much, Beatriz! So pleased it saved you from roaming bills. Come back anytime! — Yuki
Somchai K.
Ireland · Jun 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. A must-have for international travel.
James
eSIM TopUp Support
· 2 months ago Thank you for the kind words, Somchai! Thrilled it made staying connected effortless. — James, eSIM TopUp Support
Thomas V.
Philippines · Jun 2026
Exactly what I needed for travelling. Streaming and video calls worked without buffering.
Sophie
eSIM TopUp Support
· 2 months ago Thanks a lot, Thomas! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Sophie, eSIM TopUp Support
Somchai H.
Thailand · Jun 2026
Did the job without any drama. The QR code arrived instantly by email.
Laura
eSIM TopUp Support
· 2 months ago Really appreciate this, Somchai! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Laura 💜
Min-jun G.
Indonesia · May 2026
First time using an eSIM and it was painless in Japan. Setup instructions in the app were clear and simple. Made staying connected effortless.
Diego
eSIM TopUp Support
· 2 months ago Really appreciate this, Min-jun! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Diego
Ji-woo W.
Thailand · May 2026
Exactly what I needed for travelling. Activation was automatic when I arrived. Zero regrets.
Sophie
eSIM TopUp Support
· 2 months ago Cheers, Ji-woo! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Sophie, eSIM TopUp Support
Somchai P.
Portugal · May 2026
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Telling my friends about this.
Priya
eSIM TopUp Support
· 2 months ago Thank you so much, Somchai! Thrilled it made staying connected effortless. Come back anytime! – Priya 💜
Kenji G.
Canada · May 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Sophie
eSIM TopUp Support
· 2 months ago Thanks for sharing, Kenji! So pleased it saved you from roaming bills. Come back anytime! — Sophie
Zoe B.
Indonesia · May 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Made staying connected effortless.
Tom
eSIM TopUp Support
· 2 months ago Really appreciate this, Zoe! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Tom
Olivia C.
Malaysia · May 2026
Saved me a fortune on my holiday. Customer support answered my question quickly. Great experience overall.
James
eSIM TopUp Support
· 2 months ago Thanks a lot, Olivia! Delighted the speeds worked well for you. – 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?