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
Sri T.
Thailand · Jun 2025
Did the job without any drama. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Laura
eSIM TopUp Support
· 1 year ago So glad to hear this, Sri! Great to know the setup was quick and easy. – Laura, eSIM TopUp Support
Diego H.
United Kingdom · Jun 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Five stars from me.
David
eSIM TopUp Support
· 1 year ago Really appreciate this, Diego! Thrilled it made staying connected effortless. Enjoy your journeys! – David 💜
Pablo V.
Vietnam · Jun 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Would definitely buy again.
Emma
eSIM TopUp Support
· 1 year ago Cheers, Pablo! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Emma
Chloe T.
Saudi Arabia · Jun 2025
Worked fine but took a little while to connect at first.
Yuki
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Chloe. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Yuki, eSIM TopUp Support
Carlos W.
Malaysia · Jun 2025
Did the job without any drama in Japan. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Sophie
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Carlos! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Sophie
Anna F.
Portugal · Jun 2025
Bought it the night before my flight — smooth process in Japan. The QR code arrived instantly by email.
Grace
eSIM TopUp Support
· 1 year ago Cheers, Anna! So pleased it saved you from roaming bills. — Grace, eSIM TopUp Support
Kenji M.
Philippines · Jun 2025
Saved me a fortune on my holiday. Customer support answered my question quickly. Five stars from me.
Mark
eSIM TopUp Support
· 1 year ago Thanks for sharing, Kenji! So happy the Japan eSIM kept you connected. – Mark 💜
James H.
Japan · Jun 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Zero regrets.
David
eSIM TopUp Support
· 1 year ago Thank you for the kind words, James! So happy the Japan eSIM kept you connected. — David, eSIM TopUp Support
Max C.
Japan · May 2025
Install took me two tries but was fine after that. Customer support answered my question quickly.
Yuki
eSIM TopUp Support
· 1 year ago Thank you for taking the time, Max. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Yuki
Zoe H.
India · May 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Telling my friends about this.
Diego
eSIM TopUp Support
· 1 year ago Thanks for sharing, Zoe! Love that you were online the moment you landed in Japan. – Diego 💜
Thomas C.
Portugal · May 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived in Japan. A must-have for international travel.
David
eSIM TopUp Support
· 1 year ago So glad to hear this, Thomas! Thrilled it made staying connected effortless. We're here whenever you travel again. — David
Max B.
India · May 2025
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas.
Mark
eSIM TopUp Support
· 1 year ago Cheers, Max! Great to know the setup was quick and easy. – Mark 💜
Lucia R.
United Kingdom · May 2025
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple.
Tom
eSIM TopUp Support
· 1 year ago Cheers, Lucia! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Tom
Andre L.
Ireland · May 2025
No more hunting for a SIM card kiosk on arrival in Japan. Ran hotspot to my laptop with no issues. Five stars from me.
Sophie
eSIM TopUp Support
· 1 year ago Thanks for sharing, Andre! So pleased it saved you from roaming bills. – Sophie 💜
Budi W.
Malaysia · May 2025
First time using an eSIM and it was painless in Japan. The QR code arrived instantly by email.
Mark
eSIM TopUp Support
· 1 year ago Cheers, Budi! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Mark 💜
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?