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
Olivia P.
Spain · Oct 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Telling my friends about this.
David
GotoeSIM Support
· 9 months ago Really appreciate this, Olivia! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — David, eSIM TopUp Support
Chloe S.
Ireland · Oct 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 9 months ago Cheers, Chloe! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Tom 💜
Viktor D.
Sweden · Oct 2025
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering.
Sara
GotoeSIM Support
· 9 months ago Thank you for the kind words, Viktor! So pleased it saved you from roaming bills. We're here whenever you travel again. — Sara, eSIM TopUp Support
Sri R.
Vietnam · Oct 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Five stars from me.
Emma
GotoeSIM Support
· 9 months ago Cheers, Sri! Thrilled it made staying connected effortless. — Emma, eSIM TopUp Support
Daniel S.
Thailand · Oct 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Zero regrets.
Omar
GotoeSIM Support
· 9 months ago Thanks a lot, Daniel! Great to know the setup was quick and easy. We're here whenever you travel again. — Omar, eSIM TopUp Support
Sven G.
Malaysia · Oct 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Made staying connected effortless.
Mark
GotoeSIM Support
· 9 months ago Thank you so much, Sven! Love that you were online the moment you landed in Japan. – Mark 💜
Ethan C.
Australia · Oct 2025
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
Omar
GotoeSIM Support
· 9 months ago Thanks for the honest feedback, Ethan. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Omar, eSIM TopUp Support
Olivia B.
Germany · Oct 2025
Connected the moment I landed in Japan. Setup instructions in the app were clear and simple. Made staying connected effortless.
Ken
GotoeSIM Support
· 9 months ago Thanks for sharing, Olivia! Delighted the speeds worked well for you. We're here whenever you travel again. – Ken 💜
Mateo M.
Brazil · Oct 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 9 months ago Thank you so much, Mateo! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Emma 💜
Haruto H.
UAE · Oct 2025
Connected the moment I landed. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 9 months ago Thank you for the kind words, Haruto! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Laura, eSIM TopUp Support
Nadia R.
Portugal · Oct 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 9 months ago Cheers, Nadia! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Lea V.
Canada · Oct 2025
Did the job without any drama. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 9 months ago Thank you for the kind words, Lea! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Sophie, eSIM TopUp Support
Omar P.
Mexico · Oct 2025
Decent speeds, though slower than I expected in a few spots. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 9 months ago Thank you for taking the time, Omar. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Omar 💜
Nguyen T.
Vietnam · Oct 2025
No more hunting for a SIM card kiosk on arrival in Japan. Setup instructions in the app were clear and simple. Great experience overall.
Omar
GotoeSIM Support
· 9 months ago Thank you so much, Nguyen! Delighted the speeds worked well for you. – Omar 💜
Wei H.
Portugal · Oct 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly.
Yuki
GotoeSIM Support
· 9 months ago Thanks for sharing, Wei! Love that you were online the moment you landed in Japan. Come back anytime! – Yuki, eSIM TopUp Support
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. · 3 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?