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 D.
Spain · May 2026
Great value compared to roaming charges. Customer support answered my question quickly. Five stars from me.
Anna
eSIM TopUp Support
· 2 months ago Really appreciate this, Lea! Great to know the setup was quick and easy. – Anna, eSIM TopUp Support
Carlos P.
France · May 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Five stars from me.
Ingrid
eSIM TopUp Support
· 3 months ago Thanks a lot, Carlos! So pleased it saved you from roaming bills. — Ingrid
Zoe V.
Vietnam · May 2026
Exactly what I needed for travelling in Japan. Ran hotspot to my laptop with no issues. Five stars from me.
Yuki
eSIM TopUp Support
· 3 months ago Thanks a lot, Zoe! Thrilled it made staying connected effortless. – Yuki, eSIM TopUp Support
Anna F.
Singapore · May 2026
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Zero regrets.
David
eSIM TopUp Support
· 3 months ago Really appreciate this, Anna! So happy the Japan eSIM kept you connected. Come back anytime! — David
Yuki N.
Thailand · Apr 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
James
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Yuki! Love that you were online the moment you landed in Japan. — James
Sophia N.
New Zealand · Apr 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data.
Laura
eSIM TopUp Support
· 3 months ago Thanks a lot, Sophia! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Laura, eSIM TopUp Support
Yuki L.
Egypt · Apr 2026
Did the job without any drama. Setup instructions in the app were clear and simple.
Emma
eSIM TopUp Support
· 3 months ago Cheers, Yuki! So pleased it saved you from roaming bills. Come back anytime! – Emma 💜
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
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
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
Sarah L.
Australia · Mar 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Would definitely buy again.
Sara
eSIM TopUp Support
· 4 months ago Thanks for sharing, Sarah! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara 💜
Viktor P.
UAE · Mar 2026
Honestly better than buying a local SIM at the airport in Japan. Streaming and video calls worked without buffering.
Mark
eSIM TopUp Support
· 4 months ago Thanks for sharing, Viktor! So happy the Japan eSIM kept you connected. — Mark, eSIM TopUp Support
Yuki G.
Philippines · Mar 2026
Exactly what I needed for travelling in Japan. The QR code arrived instantly by email. Highly recommend for any traveller.
Ken
eSIM TopUp Support
· 4 months ago Thank you so much, Yuki! Great to know the setup was quick and easy. — Ken
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?