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
Ingrid H.
Vietnam · Oct 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Would definitely buy again.
Laura
GotoeSIM Support
· 10 months ago Thank you so much, Ingrid! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Laura, eSIM TopUp Support
Ravi B.
Indonesia · Sep 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Zero regrets.
Ingrid
GotoeSIM Support
· 10 months ago Thank you for the kind words, Ravi! Thrilled it made staying connected effortless. Enjoy your journeys! — Ingrid
Noah S.
Japan · Sep 2025
Install took me two tries but was fine after that. Streaming and video calls worked without buffering.
James
GotoeSIM Support
· 10 months ago We're really sorry, Noah. That's not the experience we want for Japan. Reach our team at esimtopup.io/support so we can help right away. — James
Yuki T.
Philippines · Sep 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 10 months ago Thank you so much, Yuki! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Yuki
Thomas K.
Indonesia · Sep 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
David
GotoeSIM Support
· 10 months ago Thanks a lot, Thomas! Love that you were online the moment you landed in Japan. Enjoy your journeys! – David, eSIM TopUp Support
Olivia K.
Egypt · Sep 2025
Solid overall, just wish there was a bit more data for the price. Activation was automatic when I arrived.
Tom
GotoeSIM Support
· 10 months ago So sorry to hear this, Olivia. That's not the experience we want for Japan. Reach our team at esimtopup.io/support so we can help right away. — Tom
Kenji G.
Sweden · Sep 2025
No more hunting for a SIM card kiosk on arrival in Japan. Signal held up well on trains and in rural areas. Would definitely buy again.
Ken
GotoeSIM Support
· 10 months ago Thank you for the kind words, Kenji! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Ken, eSIM TopUp Support
Sri B.
New Zealand · Sep 2025
Great value compared to roaming charges in Japan. Streaming and video calls worked without buffering.
Laura
GotoeSIM Support
· 10 months ago Cheers, Sri! So pleased it saved you from roaming bills. We're here whenever you travel again. — Laura, eSIM TopUp Support
Max N.
Philippines · Sep 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.
Grace
GotoeSIM Support
· 10 months ago Thank you so much, Max! Delighted the speeds worked well for you. Enjoy your journeys! – Grace, eSIM TopUp Support
Haruto P.
Philippines · Sep 2025
No more hunting for a SIM card kiosk on arrival in Japan. Data lasted the whole trip with room to spare.
Mark
GotoeSIM Support
· 10 months ago Cheers, Haruto! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Mark 💜
Ingrid M.
Singapore · Sep 2025
Decent speeds, though slower than I expected in a few spots.
James
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Ingrid. 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. – James, eSIM TopUp Support
Lucia W.
Malaysia · Sep 2025
Great value compared to roaming charges. The QR code arrived instantly by email. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 10 months ago Thanks a lot, Lucia! Great to know the setup was quick and easy. Come back anytime! – Omar, eSIM TopUp Support
Max T.
South Korea · Sep 2025
Great value compared to roaming charges. Activation was automatic when I arrived. A must-have for international travel.
Tom
GotoeSIM Support
· 10 months ago Thank you for the kind words, Max! Thrilled it made staying connected effortless. Enjoy your journeys! — Tom, eSIM TopUp Support
Mei T.
Japan · Sep 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly.
Grace
GotoeSIM Support
· 11 months ago Thank you so much, Mei! Delighted the speeds worked well for you. We're here whenever you travel again. — Grace
Fatima N.
Switzerland · Sep 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email. Telling my friends about this.
Priya
GotoeSIM Support
· 11 months ago Really appreciate this, Fatima! Great to know the setup was quick and easy. We're here whenever you travel again. — 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. · 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?