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
Min-jun C.
Thailand · Jun 2026
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple. Great experience overall.
Anna
GotoeSIM Support
· 2 months ago Thanks a lot, Min-jun! So happy the Japan eSIM kept you connected. — Anna
Lucia T.
Brazil · May 2026
Good coverage in the city, a bit patchy in remote areas. Topping up was straightforward when I needed more.
Omar
GotoeSIM Support
· 2 months ago Thank you for taking the time, Lucia. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Omar
Min-jun K.
Vietnam · May 2026
Decent speeds, though slower than I expected in a few spots.
Omar
GotoeSIM Support
· 2 months ago Thanks for the honest feedback, Min-jun. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Omar
Emma K.
Thailand · May 2026
Used this on my trip and it worked perfectly in Japan. Coverage was strong even outside the city. Would definitely buy again.
Tom
GotoeSIM Support
· 2 months ago Thanks for sharing, Emma! Love that you were online the moment you landed in Japan. Come back anytime! – Tom, eSIM TopUp Support
Sarah D.
Japan · May 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Five stars from me.
Anna
GotoeSIM Support
· 2 months ago Really appreciate this, Sarah! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Anna
Emma T.
Germany · May 2026
Installed in minutes by scanning the QR code in Japan. Coverage was strong even outside the city. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 2 months ago So glad to hear this, Emma! So happy the Japan eSIM kept you connected. Come back anytime! – Mark 💜
Lucas R.
South Korea · May 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. A must-have for international travel.
Mark
GotoeSIM Support
· 2 months ago Thanks for sharing, Lucas! Delighted the speeds worked well for you. Come back anytime! — Mark
Sri H.
Saudi Arabia · May 2026
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas. Great experience overall.
Laura
GotoeSIM Support
· 2 months ago Thanks a lot, Sri! So pleased it saved you from roaming bills. – Laura, eSIM TopUp Support
Diego D.
South Korea · May 2026
First time using an eSIM and it was painless. Activation was automatic when I arrived.
Yuki
GotoeSIM Support
· 2 months ago Cheers, Diego! So pleased it saved you from roaming bills. Come back anytime! — Yuki, eSIM TopUp Support
Mei B.
Thailand · May 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 2 months ago Thank you so much, Mei! Delighted the speeds worked well for you. — Anna
Beatriz F.
Sweden · May 2026
Solid overall, just wish there was a bit more data for the price.
Ken
GotoeSIM Support
· 2 months ago So sorry to hear this, Beatriz. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. – Ken 💜
Mateo H.
United Kingdom · May 2026
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Zero regrets.
Sara
GotoeSIM Support
· 3 months ago Thank you for the kind words, Mateo! Delighted the speeds worked well for you. — Sara, eSIM TopUp Support
Viktor F.
Italy · May 2026
Worked fine but took a little while to connect at first.
Grace
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Viktor. 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. — Grace
Wei F.
France · May 2026
Decent speeds, though slower than I expected in a few spots. Data lasted the whole trip with room to spare.
Diego
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Wei. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Diego 💜
Mei G.
UAE · May 2026
No more hunting for a SIM card kiosk on arrival in Japan. Setup instructions in the app were clear and simple.
Ingrid
GotoeSIM Support
· 3 months ago Cheers, Mei! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Ingrid, 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?