Japan eSIM — reviews & details
Japan 5GB 30Days · 5 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Liam C.
Sweden · Mar 2026
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues. A must-have for international travel.
Ingrid
eSIM TopUp Support
· 4 months ago Cheers, Liam! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Ingrid, eSIM TopUp Support
Lea W.
Mexico · Mar 2026
Did the job without any drama. Signal held up well on trains and in rural areas. Made staying connected effortless.
Ingrid
eSIM TopUp Support
· 4 months ago Thanks for sharing, Lea! Thrilled it made staying connected effortless. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Nguyen V.
UAE · Mar 2026
Super easy to set up before I flew out. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Diego
eSIM TopUp Support
· 4 months ago Thank you so much, Nguyen! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Diego, eSIM TopUp Support
Omar P.
Thailand · Mar 2026
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Ingrid
eSIM TopUp Support
· 4 months ago Cheers, Omar! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Ingrid 💜
Carlos M.
Indonesia · Mar 2026
Saved me a fortune on my holiday in Japan. Setup instructions in the app were clear and simple. Would definitely buy again.
Grace
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Carlos! Delighted the speeds worked well for you. Come back anytime! — Grace
Beatriz P.
France · Mar 2026
Did the job without any drama. Activation was automatic when I arrived. Five stars from me.
Sara
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Beatriz! Wonderful to hear it worked smoothly in Japan. — Sara, eSIM TopUp Support
Sri H.
Saudi Arabia · Mar 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived.
Omar
eSIM TopUp Support
· 5 months ago Really appreciate this, Sri! Delighted the speeds worked well for you. Come back anytime! – Omar, eSIM TopUp Support
Sophia B.
Poland · Mar 2026
Solid overall, just wish there was a bit more data for the price. Streaming and video calls worked without buffering.
Laura
eSIM TopUp Support
· 5 months ago Thank you for taking the time, Sophia. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. — Laura
Hana M.
New Zealand · Mar 2026
First time using an eSIM and it was painless. Coverage was strong even outside the city. Telling my friends about this.
Mark
eSIM TopUp Support
· 5 months ago Thanks for sharing, Hana! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Mark 💜
Noah L.
Saudi Arabia · Mar 2026
Great value compared to roaming charges. Topping up was straightforward when I needed more.
Ken
eSIM TopUp Support
· 5 months ago Cheers, Noah! So pleased it saved you from roaming bills. — Ken
Marco M.
Germany · Mar 2026
Used this on my trip and it worked perfectly in Japan. Topping up was straightforward when I needed more. Great experience overall.
Tom
eSIM TopUp Support
· 5 months ago Thanks for sharing, Marco! So happy the Japan eSIM kept you connected. — Tom, eSIM TopUp Support
Mateo B.
New Zealand · Mar 2026
First time using an eSIM and it was painless. Coverage was strong even outside the city. Highly recommend for any traveller.
Grace
eSIM TopUp Support
· 5 months ago Really appreciate this, Mateo! Love that you were online the moment you landed in Japan. — Grace
Ingrid P.
UAE · Mar 2026
First time using an eSIM and it was painless in Japan. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Tom
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Ingrid! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Tom, eSIM TopUp Support
Sofia L.
Australia · Mar 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Made staying connected effortless.
Diego
eSIM TopUp Support
· 5 months ago Thanks for sharing, Sofia! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — Diego, eSIM TopUp Support
Max G.
Poland · Mar 2026
Connected the moment I landed. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
James
eSIM TopUp Support
· 5 months ago Thanks a lot, Max! Love that you were online the moment you landed in Japan. — James
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days plan costs $4.05 for 5 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
Andre K. · 1 month ago
Can I top up the same eSIM instead of buying a new one?
Sophia K. · 1 month ago
Does this work on an iPhone 13?
Emma T. · 2 months ago
Do I need to install it before I travel or after I arrive?
Marco B. · 2 months ago
Can I use this for hotspot/tethering?
Nguyen K. · 5 months ago
Thanks, installed with no problems on my Samsung.
Grace H. · 5 months ago
Does the validity start on purchase or on first use?
Ethan B. · 6 months ago
Great guide, the setup steps were really helpful.
Grace C. · 7 months ago
Can I use it in nearby countries too?
Camila P. · 8 months ago
Is roaming charged extra or is it all included?
Giulia M. · 9 months ago
Which networks does this connect to?
Fatima T. · 9 months ago
Will this keep my WhatsApp active with my home number?
Haruto H. · 1 year ago
How do I check how much data I have left?