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
Hana M.
Turkey · Dec 2025
Solid overall, just wish there was a bit more data for the price. Customer support answered my question quickly.
Tom
GotoeSIM Support
· 7 months ago Thank you for taking the time, Hana. 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. – Tom 💜
Andre T.
Portugal · Dec 2025
Did the job without any drama. The QR code arrived instantly by email. Great experience overall.
Omar
GotoeSIM Support
· 7 months ago Thanks for sharing, Andre! Delighted the speeds worked well for you. — Omar
Min-jun R.
United Kingdom · Dec 2025
Did the job without any drama. Signal held up well on trains and in rural areas.
Priya
GotoeSIM Support
· 7 months ago Thanks for sharing, Min-jun! Thrilled it made staying connected effortless. Come back anytime! – Priya, eSIM TopUp Support
Min-jun W.
Poland · Dec 2025
Bought it the night before my flight — smooth process in Japan. The QR code arrived instantly by email. Would definitely buy again.
Grace
GotoeSIM Support
· 7 months ago Thank you for the kind words, Min-jun! Great to know the setup was quick and easy. We're here whenever you travel again. — Grace
Ananya F.
United States · Dec 2025
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Zero regrets.
Diego
GotoeSIM Support
· 7 months ago So glad to hear this, Ananya! Delighted the speeds worked well for you. We're here whenever you travel again. – Diego 💜
Min-jun S.
United States · Dec 2025
Super easy to set up before I flew out. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 8 months ago Thank you so much, Min-jun! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Lea D.
Germany · Dec 2025
Install took me two tries but was fine after that.
James
GotoeSIM Support
· 8 months ago Thanks for the honest feedback, Lea. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — James
Carlos N.
New Zealand · Dec 2025
Decent speeds, though slower than I expected in a few spots. Activation was automatic when I arrived.
Diego
GotoeSIM Support
· 8 months ago We're really sorry, Carlos. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. – Diego 💜
Isabella M.
United States · Dec 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple.
Ingrid
GotoeSIM Support
· 8 months ago Thanks for sharing, Isabella! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Ingrid, eSIM TopUp Support
Hana P.
France · Dec 2025
Honestly better than buying a local SIM at the airport in Japan. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 8 months ago Cheers, Hana! Thrilled it made staying connected effortless. – Sophie 💜
Pablo P.
Malaysia · Dec 2025
Connected the moment I landed in Japan. Streaming and video calls worked without buffering. Made staying connected effortless.
James
GotoeSIM Support
· 8 months ago Thanks for sharing, Pablo! So happy the Japan eSIM kept you connected. Come back anytime! – James 💜
Isabella G.
Malaysia · Dec 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas.
Ingrid
GotoeSIM Support
· 8 months ago Thanks for sharing, Isabella! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Ingrid 💜
Linh F.
Netherlands · Dec 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Ingrid
GotoeSIM Support
· 8 months ago Thank you for the kind words, Linh! Thrilled it made staying connected effortless. We're here whenever you travel again. — Ingrid, eSIM TopUp Support
Noah D.
Portugal · Nov 2025
Connected the moment I landed. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 8 months ago Thank you so much, Noah! Delighted the speeds worked well for you. We're here whenever you travel again. — Yuki
Liam K.
Japan · Nov 2025
Saved me a fortune on my holiday. The QR code arrived instantly by email. Telling my friends about this.
Sara
GotoeSIM Support
· 8 months ago Thank you so much, Liam! Wonderful to hear it worked smoothly in Japan. — Sara, 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?