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
Katya F.
Canada · Mar 2026
Connected the moment I landed. Activation was automatic when I arrived.
Diego
eSIM TopUp Support
· 4 months ago Cheers, Katya! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Diego 💜
Aisha T.
Japan · Mar 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Five stars from me.
Sara
eSIM TopUp Support
· 5 months ago Really appreciate this, Aisha! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Sara, eSIM TopUp Support
Somchai T.
Philippines · Mar 2026
First time using an eSIM and it was painless in Japan. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Mark
eSIM TopUp Support
· 5 months ago Thanks a lot, Somchai! Delighted the speeds worked well for you. Enjoy your journeys! — Mark
Daniel N.
Canada · Mar 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Zero regrets.
Laura
eSIM TopUp Support
· 5 months ago Really appreciate this, Daniel! So pleased it saved you from roaming bills. Enjoy your journeys! – Laura 💜
Camila S.
Germany · Mar 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Would definitely buy again.
Grace
eSIM TopUp Support
· 5 months ago So glad to hear this, Camila! Delighted the speeds worked well for you. — Grace
Min-jun P.
Germany · Mar 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Five stars from me.
Mark
eSIM TopUp Support
· 5 months ago Cheers, Min-jun! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Mark
Lea G.
Sweden · Feb 2026
First time using an eSIM and it was painless. Customer support answered my question quickly. Would definitely buy again.
Emma
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Lea! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Emma, eSIM TopUp Support
Hana G.
Australia · Feb 2026
First time using an eSIM and it was painless in Japan. Data lasted the whole trip with room to spare.
Ken
eSIM TopUp Support
· 5 months ago Cheers, Hana! Great to know the setup was quick and easy. — Ken, eSIM TopUp Support
Sri L.
Saudi Arabia · Feb 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan. Great experience overall.
Emma
eSIM TopUp Support
· 5 months ago Thanks for sharing, Sri! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Emma 💜
Giulia T.
Sweden · Feb 2026
Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email.
David
eSIM TopUp Support
· 5 months ago Really appreciate this, Giulia! Love that you were online the moment you landed in Japan. — David, eSIM TopUp Support
James L.
New Zealand · Feb 2026
Connected the moment I landed. The QR code arrived instantly by email. Great experience overall.
Ingrid
eSIM TopUp Support
· 5 months ago Thank you for the kind words, James! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Ingrid 💜
Omar G.
Spain · Feb 2026
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Tom
eSIM TopUp Support
· 5 months ago Cheers, Omar! So pleased it saved you from roaming bills. — Tom
Budi G.
Italy · Feb 2026
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Exactly as described — no surprises.
Mark
eSIM TopUp Support
· 6 months ago So glad to hear this, Budi! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Mark 💜
Ethan C.
Portugal · Feb 2026
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Great experience overall.
Priya
eSIM TopUp Support
· 6 months ago Thank you so much, Ethan! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Aisha K.
Egypt · Feb 2026
Great value compared to roaming charges in Japan. Customer support answered my question quickly.
Grace
eSIM TopUp Support
· 6 months ago Thank you so much, Aisha! So pleased it saved you from roaming bills. Enjoy your journeys! – Grace 💜
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?