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
Sophia C.
Italy · Mar 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues.
Yuki
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Sophia! Delighted the speeds worked well for you. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Noah B.
UAE · Mar 2025
Used this on my trip and it worked perfectly in Japan. Ran hotspot to my laptop with no issues. Five stars from me.
Emma
eSIM TopUp Support
· 1 year ago Really appreciate this, Noah! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Emma, eSIM TopUp Support
James L.
Egypt · Mar 2025
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data.
Priya
eSIM TopUp Support
· 1 year ago Thanks a lot, James! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Priya
Kenji M.
Canada · Mar 2025
No more hunting for a SIM card kiosk on arrival in Japan. Data lasted the whole trip with room to spare. Telling my friends about this.
Ken
eSIM TopUp Support
· 1 year ago So glad to hear this, Kenji! Delighted the speeds worked well for you. — Ken
Sarah R.
Netherlands · Mar 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Ken
eSIM TopUp Support
· 1 year ago Thank you so much, Sarah! Thrilled it made staying connected effortless. Come back anytime! — Ken
Olivia P.
New Zealand · Mar 2025
Good coverage in the city, a bit patchy in remote areas.
Grace
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Olivia. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Grace, eSIM TopUp Support
Aisha V.
Egypt · Mar 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. A must-have for international travel.
David
eSIM TopUp Support
· 1 year ago So glad to hear this, Aisha! So happy the Japan eSIM kept you connected. Enjoy your journeys! — David
Aisha K.
Japan · Mar 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Telling my friends about this.
Tom
eSIM TopUp Support
· 1 year ago Really appreciate this, Aisha! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Tom, eSIM TopUp Support
Isabella L.
Vietnam · Mar 2025
Installed in minutes by scanning the QR code in Japan. Topping up was straightforward when I needed more.
Anna
eSIM TopUp Support
· 1 year ago Cheers, Isabella! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Anna 💜
Mohammed D.
Thailand · Mar 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering.
Yuki
eSIM TopUp Support
· 1 year ago Thank you so much, Mohammed! Love that you were online the moment you landed in Japan. — Yuki
Viktor T.
Sweden · Mar 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple.
Yuki
eSIM TopUp Support
· 1 year ago Thank you so much, Viktor! Great to know the setup was quick and easy. — Yuki, eSIM TopUp Support
Grace M.
Canada · Mar 2025
Did the job without any drama. Topping up was straightforward when I needed more. Would definitely buy again.
Tom
eSIM TopUp Support
· 1 year ago Thank you so much, Grace! So pleased it saved you from roaming bills. Enjoy your journeys! — Tom
Olivia N.
Poland · Mar 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Emma
eSIM TopUp Support
· 1 year ago Thanks for sharing, Olivia! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Emma
Somchai R.
Philippines · Mar 2025
Great value compared to roaming charges. Customer support answered my question quickly.
Ingrid
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Somchai! Wonderful to hear it worked smoothly in Japan. – Ingrid 💜
Marco M.
Netherlands · Mar 2025
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Telling my friends about this.
Yuki
eSIM TopUp Support
· 1 year ago Cheers, Marco! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Yuki, 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?