Japan eSIM — reviews & details
Japan 10GB 30Days (IIJ) · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Chloe V.
Japan · Aug 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Sophie
eSIM TopUp Support
· 2 days ago Thank you for the kind words, Chloe! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Sophie, eSIM TopUp Support
Priya L.
Switzerland · Aug 2026
Did the job without any drama. I kept my normal number for calls while using this for data.
Tom
eSIM TopUp Support
· 2 days ago Thank you for the kind words, Priya! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Tom 💜
Andre R.
Poland · Aug 2026
Did the job without any drama. Topping up was straightforward when I needed more.
Sara
eSIM TopUp Support
· 4 days ago Thank you so much, Andre! Great to know the setup was quick and easy. Come back anytime! — Sara
Zoe T.
Netherlands · Aug 2026
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Grace
eSIM TopUp Support
· 5 days ago Cheers, Zoe! Delighted the speeds worked well for you. Come back anytime! – Grace 💜
Liam V.
South Korea · Aug 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing.
Ken
eSIM TopUp Support
· 5 days ago Thank you so much, Liam! Great to know the setup was quick and easy. We're here whenever you travel again. — Ken, eSIM TopUp Support
Aisha T.
Canada · Aug 2026
Solid overall, just wish there was a bit more data for the price. I kept my normal number for calls while using this for data.
James
eSIM TopUp Support
· 1 week ago Thanks for the honest feedback, Aisha. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – James, eSIM TopUp Support
Lea T.
Italy · Aug 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Zero regrets.
Omar
eSIM TopUp Support
· 1 week ago Really appreciate this, Lea! So pleased it saved you from roaming bills. — Omar, eSIM TopUp Support
Nguyen D.
Egypt · Aug 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Emma
eSIM TopUp Support
· 1 week ago So glad to hear this, Nguyen! Love that you were online the moment you landed in Japan. Come back anytime! — Emma
Chloe C.
Indonesia · Aug 2026
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more.
Diego
eSIM TopUp Support
· 1 week ago Cheers, Chloe! Thrilled it made staying connected effortless. We're here whenever you travel again. — Diego
Carlos N.
Australia · Jul 2026
Connected the moment I landed. Activation was automatic when I arrived in Japan. Made staying connected effortless.
Tom
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Carlos! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Tom, eSIM TopUp Support
Fatima F.
Turkey · Jul 2026
Did the job without any drama. Data lasted the whole trip with room to spare. Great experience overall.
Laura
eSIM TopUp Support
· 2 weeks ago Thanks for sharing, Fatima! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Laura, eSIM TopUp Support
Ryan V.
France · Jul 2026
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas.
Anna
eSIM TopUp Support
· 2 weeks ago Cheers, Ryan! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Anna
Lea C.
Mexico · Jul 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Yuki
eSIM TopUp Support
· 2 weeks ago Thank you so much, Lea! Thrilled it made staying connected effortless. Enjoy your journeys! — Yuki, eSIM TopUp Support
Sophia W.
Vietnam · Jul 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering.
Priya
eSIM TopUp Support
· 2 weeks ago Thanks for sharing, Sophia! So happy the Japan eSIM kept you connected. — Priya
Isabella F.
France · Jul 2026
Connected the moment I landed in Japan. Data lasted the whole trip with room to spare.
Mark
eSIM TopUp Support
· 3 weeks ago Really appreciate this, Isabella! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 10GB 30Days (IIJ) plan costs $7.05 for 10 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 R. · 1 week ago
How do I check how much data I have left?
Isabella V. · 3 months ago
Does the validity start on purchase or on first use?
Somchai W. · 3 months ago
Do I need to install it before I travel or after I arrive?
Fatima B. · 4 months ago
Can I use it in nearby countries too?
Hana L. · 6 months ago
Great guide, the setup steps were really helpful.
Beatriz C. · 6 months ago
Will this keep my WhatsApp active with my home number?
Viktor P. · 7 months ago
How long does the QR code take to arrive after payment?
Mateo D. · 7 months ago
Can I top up the same eSIM instead of buying a new one?
Pablo G. · 7 months ago
Which networks does this connect to?
Ryan G. · 10 months ago
Is roaming charged extra or is it all included?
Nadia B. · 1 year ago
Is 5G supported or just 4G?
Sven G. · 1 year ago
Does this work on an iPhone 13?