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
Sven V.
United States · Oct 2024
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Laura
eSIM TopUp Support
· 1 year ago Cheers, Sven! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Laura
Somchai B.
Spain · Oct 2024
Connected the moment I landed. Data lasted the whole trip with room to spare. Five stars from me.
Sophie
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Somchai! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support
Carlos W.
Mexico · Sep 2024
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Priya
eSIM TopUp Support
· 1 year ago Thanks a lot, Carlos! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Budi P.
Spain · Sep 2024
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Zero regrets.
Sophie
eSIM TopUp Support
· 1 year ago So glad to hear this, Budi! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sophie 💜
Elena T.
United States · Sep 2024
First time using an eSIM and it was painless in Japan. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Diego
eSIM TopUp Support
· 1 year ago Cheers, Elena! Delighted the speeds worked well for you. We're here whenever you travel again. – Diego, eSIM TopUp Support
Sri V.
India · Sep 2024
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Made staying connected effortless.
Emma
eSIM TopUp Support
· 1 year ago Cheers, Sri! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Emma 💜
Daniel M.
Japan · Sep 2024
Great value compared to roaming charges. Activation was automatic when I arrived. A must-have for international travel.
Sophie
eSIM TopUp Support
· 1 year ago Thank you so much, Daniel! Delighted the speeds worked well for you. We're here whenever you travel again. – Sophie 💜
Noah B.
Vietnam · Sep 2024
Great value compared to roaming charges. Coverage was strong even outside the city. Great experience overall.
Sophie
eSIM TopUp Support
· 1 year ago Cheers, Noah! Great to know the setup was quick and easy. Come back anytime! – Sophie 💜
Max B.
Germany · Sep 2024
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Sophie
eSIM TopUp Support
· 1 year ago Thanks for sharing, Max! Thrilled it made staying connected effortless. Enjoy your journeys! — Sophie, eSIM TopUp Support
Ravi B.
Brazil · Sep 2024
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Would definitely buy again.
Grace
eSIM TopUp Support
· 1 year ago Cheers, Ravi! Delighted the speeds worked well for you. We're here whenever you travel again. — Grace
Lea B.
Philippines · Sep 2024
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. A must-have for international travel.
Mark
eSIM TopUp Support
· 1 year ago Thanks a lot, Lea! Wonderful to hear it worked smoothly in Japan. — Mark, eSIM TopUp Support
Arjun K.
India · Sep 2024
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Laura
eSIM TopUp Support
· 1 year ago Cheers, Arjun! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Laura, eSIM TopUp Support
Lea T.
New Zealand · Sep 2024
Used this on my trip and it worked perfectly in Japan. Signal held up well on trains and in rural areas. Zero regrets.
Tom
eSIM TopUp Support
· 1 year ago Thanks for sharing, Lea! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Tom 💜
James D.
Philippines · Sep 2024
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Mark
eSIM TopUp Support
· 1 year ago Thank you so much, James! Thrilled it made staying connected effortless. — Mark, eSIM TopUp Support
Sofia R.
India · Sep 2024
Used this on my trip and it worked perfectly. Customer support answered my question quickly.
Sara
eSIM TopUp Support
· 1 year ago So glad to hear this, Sofia! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Sara, 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?