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
Wei M.
India · Oct 2025
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas.
Laura
GotoeSIM Support
· 9 months ago Really appreciate this, Wei! So happy the Japan eSIM kept you connected. Come back anytime! – Laura, eSIM TopUp Support
Aisha S.
Egypt · Oct 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Would definitely buy again.
Ken
GotoeSIM Support
· 9 months ago Thank you for the kind words, Aisha! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Ken, eSIM TopUp Support
Mohammed T.
Italy · Oct 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Exactly as described — no surprises.
James
GotoeSIM Support
· 9 months ago Thanks for sharing, Mohammed! So pleased it saved you from roaming bills. Enjoy your journeys! – James 💜
Ethan T.
Ireland · Oct 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan. A must-have for international travel.
Grace
GotoeSIM Support
· 10 months ago Thank you for the kind words, Ethan! Delighted the speeds worked well for you. Enjoy your journeys! — Grace
Beatriz B.
Canada · Oct 2025
Decent speeds, though slower than I expected in a few spots.
David
GotoeSIM Support
· 10 months ago Apologies for the trouble, Beatriz. That's not the experience we want for Japan. Reach our team at esimtopup.io/support so we can help right away. — David, eSIM TopUp Support
Max D.
Portugal · Oct 2025
Exactly what I needed for travelling. Setup instructions in the app were clear and simple.
Tom
GotoeSIM Support
· 10 months ago Thank you so much, Max! Thrilled it made staying connected effortless. Come back anytime! – Tom 💜
Liam W.
Japan · Oct 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
David
GotoeSIM Support
· 10 months ago Thank you so much, Liam! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – David, eSIM TopUp Support
Sofia H.
Singapore · Oct 2025
Solid overall, just wish there was a bit more data for the price.
David
GotoeSIM Support
· 10 months ago Appreciate you sharing this, Sofia. 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. – David, eSIM TopUp Support
Andre T.
Spain · Oct 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email.
Mark
GotoeSIM Support
· 10 months ago So glad to hear this, Andre! Love that you were online the moment you landed in Japan. — Mark
Isabella F.
Sweden · Oct 2025
Connected the moment I landed. Data lasted the whole trip with room to spare.
Sophie
GotoeSIM Support
· 10 months ago Thanks a lot, Isabella! Love that you were online the moment you landed in Japan. – Sophie, eSIM TopUp Support
Mei W.
Singapore · Oct 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 10 months ago Thanks a lot, Mei! Love that you were online the moment you landed in Japan. Come back anytime! — Grace
Mei S.
United States · Oct 2025
Saved me a fortune on my holiday. Customer support answered my question quickly.
Grace
GotoeSIM Support
· 10 months ago So glad to hear this, Mei! So pleased it saved you from roaming bills. Come back anytime! – Grace, eSIM TopUp Support
Carlos P.
Netherlands · Oct 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas.
Ken
GotoeSIM Support
· 10 months ago Thank you so much, Carlos! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Ken, eSIM TopUp Support
Emma M.
Saudi Arabia · Oct 2025
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 10 months ago Thanks for sharing, Emma! Thrilled it made staying connected effortless. Enjoy your journeys! – Priya, eSIM TopUp Support
Andre M.
Australia · Oct 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Zero regrets.
Yuki
GotoeSIM Support
· 10 months ago Thank you so much, Andre! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – 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?