Japan eSIM — reviews & details
Japan 2GB/Day (IIJ) · 2 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Noah W.
France · May 2026
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Great experience overall.
Yuki
eSIM TopUp Support
· 2 months ago Cheers, Noah! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Yuki
Liam M.
Australia · May 2026
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more.
Emma
eSIM TopUp Support
· 2 months ago Cheers, Liam! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Emma, eSIM TopUp Support
Aisha P.
Germany · May 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. A must-have for international travel.
Tom
eSIM TopUp Support
· 2 months ago Thanks for sharing, Aisha! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — Tom
Louis T.
Australia · May 2026
Great value compared to roaming charges. Activation was automatic when I arrived. Zero regrets.
Anna
eSIM TopUp Support
· 2 months ago So glad to hear this, Louis! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Anna 💜
Liam B.
Australia · May 2026
First time using an eSIM and it was painless in Japan. Setup instructions in the app were clear and simple. Would definitely buy again.
Omar
eSIM TopUp Support
· 2 months ago Cheers, Liam! Love that you were online the moment you landed in Japan. – Omar, eSIM TopUp Support
Ethan F.
United States · May 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data.
James
eSIM TopUp Support
· 2 months ago Thanks for sharing, Ethan! Thrilled it made staying connected effortless. Enjoy your journeys! – James, eSIM TopUp Support
Pablo C.
India · May 2026
Bought it the night before my flight — smooth process in Japan. Customer support answered my question quickly. Zero regrets.
David
eSIM TopUp Support
· 2 months ago Thank you for the kind words, Pablo! So happy the Japan eSIM kept you connected. Come back anytime! – David, eSIM TopUp Support
Fatima L.
Turkey · May 2026
Installed in minutes by scanning the QR code in Japan. Setup instructions in the app were clear and simple.
Yuki
eSIM TopUp Support
· 2 months ago Thanks a lot, Fatima! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Yuki, eSIM TopUp Support
Noah T.
Spain · May 2026
Honestly better than buying a local SIM at the airport in Japan. I kept my normal number for calls while using this for data. Would definitely buy again.
Grace
eSIM TopUp Support
· 2 months ago So glad to hear this, Noah! Thrilled it made staying connected effortless. — Grace, eSIM TopUp Support
Min-jun D.
France · May 2026
Did the job without any drama. Customer support answered my question quickly.
Laura
eSIM TopUp Support
· 2 months ago Thanks for sharing, Min-jun! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Laura, eSIM TopUp Support
Louis G.
Singapore · May 2026
Connected the moment I landed. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Laura
eSIM TopUp Support
· 2 months ago Thanks for sharing, Louis! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Laura, eSIM TopUp Support
Sofia T.
Thailand · May 2026
Super easy to set up before I flew out. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Tom
eSIM TopUp Support
· 2 months ago So glad to hear this, Sofia! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Tom
Diego H.
France · May 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Great experience overall.
Mark
eSIM TopUp Support
· 2 months ago Thanks a lot, Diego! Great to know the setup was quick and easy. Come back anytime! — Mark
Sarah N.
Turkey · May 2026
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Telling my friends about this.
Priya
eSIM TopUp Support
· 2 months ago Cheers, Sarah! Thrilled it made staying connected effortless. – Priya 💜
Ethan N.
Italy · May 2026
Installed in minutes by scanning the QR code in Japan. Ran hotspot to my laptop with no issues.
Sara
eSIM TopUp Support
· 2 months ago Really appreciate this, Ethan! Thrilled it made staying connected effortless. Come back anytime! — Sara, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 2GB/Day (IIJ) plan costs $3.00 for 2 GB/day over 1 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
Wei H. · 6 days ago
How do I check how much data I have left?
Ananya B. · 2 weeks ago
Do I need to install it before I travel or after I arrive?
Pablo L. · 1 month ago
Thanks, installed with no problems on my Samsung.
Min-jun P. · 1 month ago
How long does the QR code take to arrive after payment?
Camila K. · 5 months ago
Which networks does this connect to?
Arjun P. · 7 months ago
Does this work on an iPhone 13?
Arjun D. · 7 months ago
Can I use it in nearby countries too?
Priya N. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Marco V. · 9 months ago
Does the validity start on purchase or on first use?
Ingrid V. · 9 months ago
Great guide, the setup steps were really helpful.
Diego L. · 10 months ago
Can I use this for hotspot/tethering?
Andre M. · 10 months ago
Will this keep my WhatsApp active with my home number?