Japan eSIM — reviews & details
Japan 3GB/Day (IIJ) · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Lucas G.
Malaysia · May 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
Priya
GotoeSIM Support
· 2 months ago Thanks for sharing, Lucas! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Priya
Zoe D.
Spain · May 2026
Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email. Great experience overall.
Emma
GotoeSIM Support
· 2 months ago Really appreciate this, Zoe! Great to know the setup was quick and easy. Come back anytime! — Emma
Giulia B.
South Korea · May 2026
Connected the moment I landed. Ran hotspot to my laptop with no issues. A must-have for international travel.
Emma
GotoeSIM Support
· 2 months ago Thank you for the kind words, Giulia! So pleased it saved you from roaming bills. Come back anytime! — Emma, GotoeSIM Support
Noah P.
United States · Apr 2026
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 3 months ago Thank you so much, Noah! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Omar, GotoeSIM Support
Sophia G.
Canada · Apr 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
Omar
GotoeSIM Support
· 3 months ago Thank you so much, Sophia! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Omar, GotoeSIM Support
Lea B.
Spain · Apr 2026
Great value compared to roaming charges. Topping up was straightforward when I needed more. Five stars from me.
Yuki
GotoeSIM Support
· 3 months ago Really appreciate this, Lea! Thrilled it made staying connected effortless. — Yuki
Mei R.
France · Apr 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city. Would definitely buy again.
Ken
GotoeSIM Support
· 3 months ago Really appreciate this, Mei! Delighted the speeds worked well for you. We're here whenever you travel again. – Ken 💜
Grace R.
France · Apr 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Telling my friends about this.
Priya
GotoeSIM Support
· 3 months ago Thank you for the kind words, Grace! Love that you were online the moment you landed in Japan. — Priya
Ava R.
Poland · Apr 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Mark
GotoeSIM Support
· 3 months ago Thanks a lot, Ava! So pleased it saved you from roaming bills. – Mark 💜
Sophia V.
India · Apr 2026
Connected the moment I landed. Data lasted the whole trip with room to spare. Will use GotoeSIM for my next trip for sure.
David
GotoeSIM Support
· 3 months ago Cheers, Sophia! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – David 💜
Andre P.
UAE · Apr 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Five stars from me.
Laura
GotoeSIM Support
· 3 months ago Really appreciate this, Andre! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Laura 💜
Max B.
Germany · Mar 2026
Used this on my trip and it worked perfectly in Japan. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 3 months ago Thanks for sharing, Max! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Priya
Louis K.
Malaysia · Mar 2026
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 4 months ago So glad to hear this, Louis! Great to know the setup was quick and easy. Enjoy your journeys! — Diego
Giulia B.
Switzerland · Feb 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Telling my friends about this.
Omar
GotoeSIM Support
· 5 months ago Cheers, Giulia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Omar 💜
Andre L.
Australia · Feb 2026
Bought it the night before my flight — smooth process in Japan. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Yuki
GotoeSIM Support
· 5 months ago Really appreciate this, Andre! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Yuki
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB/Day (IIJ) plan costs $3.30 for 3 GB/day over 1 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 GotoeSIM 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
Diego T. · 5 days ago
Can I use it in nearby countries too?
For nearby countries, Diego, a regional plan may suit you better — happy to help you pick. – Omar, GotoeSIM Support
Sven F. · 1 month ago
Can I top up the same eSIM instead of buying a new one?
Yes Sven, you can top up the same eSIM anytime — no need to buy a new one. – Priya 💜
Liam K. · 1 month ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Liam! The eSIM just handles data. — Priya, GotoeSIM Support
Somchai B. · 4 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Somchai, then it activates automatically on arrival. – Emma, GotoeSIM Support
Lea G. · 4 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Lea! Add it via SIM manager and you're set. – Sara, GotoeSIM Support
Ingrid L. · 4 months ago
Great guide, the setup steps were really helpful.
Thanks Ingrid, that means a lot! Reach out anytime. — Anna, GotoeSIM Support
Zoe F. · 7 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, Zoe — check My eSIMs anytime. — Tom, GotoeSIM Support
Lea T. · 7 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Lea, so buying early is totally fine. – Sara, GotoeSIM Support
Hugo L. · 9 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Hugo! Feel free to hotspot to your other devices. – Sophie, GotoeSIM Support
Lea C. · 9 months ago
Is roaming charged extra or is it all included?
No surprise fees, Lea! Roaming is part of the plan and never billed separately. – James, GotoeSIM Support
Nguyen D. · 10 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Nguyen — within seconds of payment, by email and in your account. – Laura, GotoeSIM Support
Lucia P. · 10 months ago
Is 5G supported or just 4G?
Yes Lucia, 5G is supported where the local network offers it, otherwise fast 4G. — Yuki