Japan eSIM — reviews & details
Japan 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Omar N.
Brazil · Jun 2026
Did the job without any drama in Japan. Signal held up well on trains and in rural areas. Made staying connected effortless.
Omar
GotoeSIM Support
· 1 month ago Cheers, Omar! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Omar, eSIM TopUp Support
Chloe K.
Ireland · Jun 2026
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 1 month ago Thank you for the kind words, Chloe! Thrilled it made staying connected effortless. Come back anytime! – Grace, eSIM TopUp Support
Lucas L.
South Korea · Jun 2026
Exactly what I needed for travelling in Japan. The QR code arrived instantly by email. Five stars from me.
Omar
GotoeSIM Support
· 1 month ago So glad to hear this, Lucas! Great to know the setup was quick and easy. We're here whenever you travel again. – Omar, eSIM TopUp Support
Budi V.
Italy · Jun 2026
Decent speeds, though slower than I expected in a few spots. Streaming and video calls worked without buffering.
Ingrid
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Budi. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. — Ingrid, eSIM TopUp Support
Sophia S.
United States · Jun 2026
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 1 month ago Cheers, Sophia! Thrilled it made staying connected effortless. – Yuki 💜
James P.
Italy · Jun 2026
Install took me two tries but was fine after that.
Tom
GotoeSIM Support
· 2 months ago Thank you for taking the time, James. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Tom, eSIM TopUp Support
Noah M.
Ireland · Jun 2026
Super easy to set up before I flew out in Japan. Topping up was straightforward when I needed more. Five stars from me.
Emma
GotoeSIM Support
· 2 months ago So glad to hear this, Noah! So happy the Japan eSIM kept you connected. – Emma 💜
Hugo S.
India · Jun 2026
Did the job without any drama in Japan. I kept my normal number for calls while using this for data.
Grace
GotoeSIM Support
· 2 months ago Thanks a lot, Hugo! Delighted the speeds worked well for you. — Grace, eSIM TopUp Support
Yuki P.
Thailand · Jun 2026
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas.
Sara
GotoeSIM Support
· 2 months ago Thank you for the kind words, Yuki! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Sara 💜
Ethan K.
Switzerland · Jun 2026
Used this on my trip and it worked perfectly. Coverage was strong even outside the city. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 2 months ago Thank you so much, Ethan! Great to know the setup was quick and easy. Come back anytime! — Priya
Katya T.
UAE · Jun 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 2 months ago Cheers, Katya! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Laura
Ethan R.
India · Jun 2026
Good coverage in the city, a bit patchy in remote areas. Topping up was straightforward when I needed more.
Sophie
GotoeSIM Support
· 2 months ago Appreciate you sharing this, Ethan. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – Sophie, eSIM TopUp Support
Max M.
United States · Jun 2026
Saved me a fortune on my holiday. Streaming and video calls worked without buffering.
Ingrid
GotoeSIM Support
· 2 months ago Thank you for the kind words, Max! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ingrid, eSIM TopUp Support
Mei R.
Sweden · Jun 2026
Saved me a fortune on my holiday in Japan. Data lasted the whole trip with room to spare. Great experience overall.
Diego
GotoeSIM Support
· 2 months ago Thank you so much, Mei! Love that you were online the moment you landed in Japan. Come back anytime! – Diego, eSIM TopUp Support
Ava B.
Japan · Jun 2026
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues.
Priya
GotoeSIM Support
· 2 months ago Cheers, Ava! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Priya, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days plan costs $12.30 for 20 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
Arjun V. · 4 days ago
Is 5G supported or just 4G?
Beatriz R. · 3 weeks ago
Great guide, the setup steps were really helpful.
Noah F. · 2 months ago
Will this keep my WhatsApp active with my home number?
Lucia B. · 3 months ago
Which networks does this connect to?
Katya K. · 3 months ago
Is roaming charged extra or is it all included?
Ethan L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Ava G. · 5 months ago
Does this work on an iPhone 13?
Hugo B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Wei L. · 9 months ago
Can I use this for hotspot/tethering?
Emma V. · 10 months ago
Does the validity start on purchase or on first use?
Liam P. · 1 year ago
Can I use it in nearby countries too?
Louis H. · 1 year ago
Can I top up the same eSIM instead of buying a new one?