Japan eSIM — reviews & details
Japan 3GB/Day (IIJ) · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ethan W.
Canada · Jul 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering.
Sara
GotoeSIM Support
· 1 week ago Thanks a lot, Ethan! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Sara
Giulia S.
Ireland · Jul 2026
Did the job without any drama. Signal held up well on trains and in rural areas. Would definitely buy again.
Sara
GotoeSIM Support
· 2 weeks ago Thanks for sharing, Giulia! So happy the Japan eSIM kept you connected. — Sara, GotoeSIM Support
James B.
Vietnam · Jul 2026
Did the job without any drama. Coverage was strong even outside the city. Made staying connected effortless.
Anna
GotoeSIM Support
· 2 weeks ago Thanks for sharing, James! Thrilled it made staying connected effortless. – Anna, GotoeSIM Support
Lucas R.
Brazil · Jul 2026
Super easy to set up before I flew out in Japan. Ran hotspot to my laptop with no issues.
Diego
GotoeSIM Support
· 3 weeks ago So glad to hear this, Lucas! Delighted the speeds worked well for you. We're here whenever you travel again. — Diego, GotoeSIM Support
Lucas D.
France · Jun 2026
Super easy to set up before I flew out in Japan. Ran hotspot to my laptop with no issues.
Ken
GotoeSIM Support
· 1 month ago Thank you so much, Lucas! Love that you were online the moment you landed in Japan. – Ken 💜
Sven L.
Switzerland · Jun 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Zero regrets.
Diego
GotoeSIM Support
· 1 month ago Really appreciate this, Sven! Thrilled it made staying connected effortless. – Diego, GotoeSIM Support
Min-jun F.
Thailand · Jun 2026
Exactly what I needed for travelling. The QR code arrived instantly by email. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 1 month ago So glad to hear this, Min-jun! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Tom, GotoeSIM Support
Elena W.
Mexico · Jun 2026
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Made staying connected effortless.
James
GotoeSIM Support
· 1 month ago Thank you so much, Elena! Thrilled it made staying connected effortless. Come back anytime! – James 💜
Isabella F.
Sweden · Jun 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 1 month ago Really appreciate this, Isabella! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Mark, GotoeSIM Support
Liam F.
Portugal · Jun 2026
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 1 month ago Really appreciate this, Liam! So happy the Japan eSIM kept you connected. – Grace 💜
Ava M.
Singapore · May 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Would definitely buy again.
James
GotoeSIM Support
· 1 month ago So glad to hear this, Ava! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — James, GotoeSIM Support
Andre N.
UAE · May 2026
Great value compared to roaming charges. Activation was automatic when I arrived in Japan. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 2 months ago Thanks for sharing, Andre! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Emma, GotoeSIM Support
Lucia G.
Netherlands · May 2026
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple.
Omar
GotoeSIM Support
· 2 months ago Thanks a lot, Lucia! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Omar
Sarah W.
Germany · May 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare.
Emma
GotoeSIM Support
· 2 months ago Thanks a lot, Sarah! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Emma
Budi F.
Ireland · May 2026
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 2 months ago Thanks a lot, Budi! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Ingrid, GotoeSIM Support
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