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
Diego K.
Mexico · Aug 2025
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues.
Tom
GotoeSIM Support
· 11 months ago Really appreciate this, Diego! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Tom, eSIM TopUp Support
Pablo D.
Mexico · Aug 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 11 months ago Really appreciate this, Pablo! So pleased it saved you from roaming bills. — Omar
Ethan P.
Spain · Aug 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Made staying connected effortless.
Emma
GotoeSIM Support
· 11 months ago Really appreciate this, Ethan! Love that you were online the moment you landed in Japan. – Emma, eSIM TopUp Support
Yuki L.
France · Aug 2025
Solid overall, just wish there was a bit more data for the price.
Tom
GotoeSIM Support
· 11 months ago So sorry to hear this, Yuki. That's not the experience we want for Japan. Please contact us at esimtopup.io/support and we'll sort it out. – Tom 💜
Anna F.
United States · Aug 2025
First time using an eSIM and it was painless in Japan. Coverage was strong even outside the city.
Priya
GotoeSIM Support
· 11 months ago Thank you so much, Anna! Love that you were online the moment you landed in Japan. – Priya, eSIM TopUp Support
Ananya N.
Canada · Aug 2025
Did the job without any drama. Activation was automatic when I arrived in Japan.
David
GotoeSIM Support
· 11 months ago Really appreciate this, Ananya! Love that you were online the moment you landed in Japan. Enjoy your journeys! – David 💜
Sofia M.
Switzerland · Aug 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Emma
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Sofia. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Emma, eSIM TopUp Support
Omar P.
Mexico · Aug 2025
Connected the moment I landed. Signal held up well on trains and in rural areas. Telling my friends about this.
Priya
GotoeSIM Support
· 11 months ago So glad to hear this, Omar! So happy the Japan eSIM kept you connected. – Priya 💜
Ravi B.
Portugal · Aug 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
David
GotoeSIM Support
· 11 months ago Thank you for the kind words, Ravi! Thrilled it made staying connected effortless. Enjoy your journeys! – David 💜
Aisha B.
Turkey · Aug 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Five stars from me.
Omar
GotoeSIM Support
· 11 months ago Really appreciate this, Aisha! Wonderful to hear it worked smoothly in Japan. — Omar
Priya L.
New Zealand · Aug 2025
First time using an eSIM and it was painless in Japan. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 11 months ago Thank you for the kind words, Priya! So happy the Japan eSIM kept you connected. Come back anytime! — Diego
Wei H.
New Zealand · Aug 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare.
Mark
GotoeSIM Support
· 11 months ago Thanks a lot, Wei! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Noah T.
Canada · Aug 2025
No more hunting for a SIM card kiosk on arrival in Japan. Topping up was straightforward when I needed more. Telling my friends about this.
Laura
GotoeSIM Support
· 1 year ago Thanks a lot, Noah! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Laura 💜
Pablo G.
France · Aug 2025
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Would definitely buy again.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Pablo! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – James 💜
Nguyen P.
Poland · Aug 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Telling my friends about this.
Emma
GotoeSIM Support
· 1 year ago Thank you for the kind words, Nguyen! Great to know the setup was quick and easy. – Emma, 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. · 5 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. · 11 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?