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 M.
South Korea · Apr 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Yuki
eSIM TopUp Support
· 3 months ago Really appreciate this, Liam! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Ji-woo F.
UAE · Apr 2026
Connected the moment I landed. Setup instructions in the app were clear and simple.
Laura
eSIM TopUp Support
· 3 months ago Really appreciate this, Ji-woo! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Laura
Sofia G.
Egypt · Apr 2026
Connected the moment I landed in Japan. Topping up was straightforward when I needed more.
Ken
eSIM TopUp Support
· 3 months ago Really appreciate this, Sofia! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Ken
Daniel G.
Egypt · Apr 2026
Used this on my trip and it worked perfectly in Japan. Data lasted the whole trip with room to spare.
Ingrid
eSIM TopUp Support
· 3 months ago Thank you so much, Daniel! Great to know the setup was quick and easy. Enjoy your journeys! — Ingrid
Yuki G.
Singapore · Apr 2026
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Five stars from me.
Laura
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Yuki! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Laura, eSIM TopUp Support
Hana F.
Ireland · Apr 2026
Install took me two tries but was fine after that. Data lasted the whole trip with room to spare.
Priya
eSIM TopUp Support
· 3 months ago Thank you for taking the time, Hana. 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. – Priya 💜
Viktor M.
Mexico · Apr 2026
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. A must-have for international travel.
Tom
eSIM TopUp Support
· 3 months ago Really appreciate this, Viktor! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Tom 💜
Beatriz S.
New Zealand · Apr 2026
First time using an eSIM and it was painless. Coverage was strong even outside the city. Made staying connected effortless.
Ken
eSIM TopUp Support
· 3 months ago Really appreciate this, Beatriz! Love that you were online the moment you landed in Japan. — Ken
Louis G.
Poland · Apr 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived in Japan.
Mark
eSIM TopUp Support
· 3 months ago So glad to hear this, Louis! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Mark, eSIM TopUp Support
Ravi N.
Portugal · Apr 2026
Connected the moment I landed. Ran hotspot to my laptop with no issues.
Tom
eSIM TopUp Support
· 3 months ago Cheers, Ravi! Great to know the setup was quick and easy. Come back anytime! — Tom, eSIM TopUp Support
Linh V.
UAE · Apr 2026
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Yuki
eSIM TopUp Support
· 3 months ago Really appreciate this, Linh! Delighted the speeds worked well for you. We're here whenever you travel again. — Yuki
James D.
Switzerland · Apr 2026
Did the job without any drama in Japan. Topping up was straightforward when I needed more. Great experience overall.
Grace
eSIM TopUp Support
· 3 months ago Cheers, James! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Grace 💜
Wei N.
Malaysia · Apr 2026
Install took me two tries but was fine after that. Data lasted the whole trip with room to spare.
Yuki
eSIM TopUp Support
· 3 months ago Appreciate you sharing this, Wei. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Yuki, eSIM TopUp Support
Carlos M.
Egypt · Apr 2026
Great value compared to roaming charges in Japan. Customer support answered my question quickly. Telling my friends about this.
Grace
eSIM TopUp Support
· 3 months ago Thank you so much, Carlos! Love that you were online the moment you landed in Japan. Come back anytime! — Grace
Yuki G.
Japan · Apr 2026
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
James
eSIM TopUp Support
· 3 months ago So glad to hear this, Yuki! Love that you were online the moment you landed in Japan. Enjoy your journeys! – 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?