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
Elena S.
France · May 2026
Connected the moment I landed. Coverage was strong even outside the city. Telling my friends about this.
Sara
GotoeSIM Support
· 3 months ago Thanks a lot, Elena! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Sara, eSIM TopUp Support
Max C.
New Zealand · May 2026
Worked fine but took a little while to connect at first.
Sara
GotoeSIM Support
· 3 months ago So sorry to hear this, Max. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. – Sara 💜
Diego T.
Turkey · Apr 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Made staying connected effortless.
Emma
GotoeSIM Support
· 3 months ago Thanks a lot, Diego! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Emma
Elena N.
India · Apr 2026
Good coverage in the city, a bit patchy in remote areas.
Mark
GotoeSIM Support
· 3 months ago Thank you for taking the time, Elena. 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. — Mark
Mei V.
Malaysia · Apr 2026
Super easy to set up before I flew out. Customer support answered my question quickly.
David
GotoeSIM Support
· 3 months ago Thank you for the kind words, Mei! Delighted the speeds worked well for you. – David, eSIM TopUp Support
Ethan B.
Egypt · Apr 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Sara
GotoeSIM Support
· 3 months ago So glad to hear this, Ethan! So pleased it saved you from roaming bills. Enjoy your journeys! – Sara, eSIM TopUp Support
Sven P.
Sweden · Apr 2026
Did the job without any drama. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 3 months ago Thank you so much, Sven! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Laura, eSIM TopUp Support
Sarah D.
Germany · Apr 2026
Did the job without any drama. Customer support answered my question quickly. Telling my friends about this.
Mark
GotoeSIM Support
· 3 months ago Cheers, Sarah! So pleased it saved you from roaming bills. — Mark, eSIM TopUp Support
Thomas V.
Brazil · Apr 2026
Decent speeds, though slower than I expected in a few spots.
Diego
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Thomas. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Diego, eSIM TopUp Support
Nguyen N.
United States · Apr 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Made staying connected effortless.
Omar
GotoeSIM Support
· 3 months ago Thanks for sharing, Nguyen! So pleased it saved you from roaming bills. Come back anytime! – Omar, eSIM TopUp Support
Somchai G.
Netherlands · Apr 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Omar
GotoeSIM Support
· 3 months ago Thanks for sharing, Somchai! So pleased it saved you from roaming bills. – Omar 💜
Ji-woo G.
India · Apr 2026
Saved me a fortune on my holiday in Japan. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Anna
GotoeSIM Support
· 3 months ago Thank you for the kind words, Ji-woo! Great to know the setup was quick and easy. — Anna
James C.
Philippines · Apr 2026
Good coverage in the city, a bit patchy in remote areas. The QR code arrived instantly by email.
Ingrid
GotoeSIM Support
· 3 months ago Thank you for taking the time, James. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Ingrid 💜
Kenji R.
Thailand · Apr 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 3 months ago Thank you for the kind words, Kenji! So happy the Japan eSIM kept you connected. – Ingrid 💜
Mateo M.
Australia · Apr 2026
Used this on my trip and it worked perfectly in Japan. Topping up was straightforward when I needed more. Would definitely buy again.
Emma
GotoeSIM Support
· 3 months ago Thanks a lot, Mateo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — 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. · 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?