Japan eSIM — reviews & details
Japan 3GB/Day (IIJ) · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ravi P.
Indonesia · Feb 2026
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 5 months ago Thank you for the kind words, Ravi! Love that you were online the moment you landed in Japan. — Laura, GotoeSIM Support
Louis R.
India · Feb 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Great experience overall.
James
GotoeSIM Support
· 5 months ago Thanks a lot, Louis! So happy the Japan eSIM kept you connected. Enjoy your journeys! — James, GotoeSIM Support
Chloe G.
Japan · Feb 2026
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Great experience overall.
Omar
GotoeSIM Support
· 5 months ago Thanks for sharing, Chloe! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Omar, GotoeSIM Support
Pablo C.
Turkey · Feb 2026
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues.
Laura
GotoeSIM Support
· 5 months ago Thanks a lot, Pablo! Great to know the setup was quick and easy. – Laura, GotoeSIM Support
Lea C.
Philippines · Feb 2026
Installed in minutes by scanning the QR code in Japan. Streaming and video calls worked without buffering.
Laura
GotoeSIM Support
· 5 months ago Thanks a lot, Lea! Thrilled it made staying connected effortless. – Laura, GotoeSIM Support
Kenji R.
Spain · Jan 2026
Super easy to set up before I flew out. The QR code arrived instantly by email. Zero regrets.
Laura
GotoeSIM Support
· 6 months ago Thank you for the kind words, Kenji! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Laura 💜
Olivia F.
Italy · Jan 2026
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues. Telling my friends about this.
Tom
GotoeSIM Support
· 6 months ago Really appreciate this, Olivia! So pleased it saved you from roaming bills. — Tom
Zoe G.
Sweden · Jan 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple.
Ingrid
GotoeSIM Support
· 6 months ago So glad to hear this, Zoe! Thrilled it made staying connected effortless. — Ingrid, GotoeSIM Support
Ryan F.
New Zealand · Dec 2025
Great value compared to roaming charges in Japan. Speeds were solid for maps, messaging and browsing. Zero regrets.
Sophie
GotoeSIM Support
· 6 months ago So glad to hear this, Ryan! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Sophie, GotoeSIM Support
Mateo B.
Poland · Dec 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Exactly as described — no surprises.
David
GotoeSIM Support
· 6 months ago Really appreciate this, Mateo! Love that you were online the moment you landed in Japan. Enjoy your journeys! – David, GotoeSIM Support
Sophia K.
Singapore · Dec 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Five stars from me.
Sara
GotoeSIM Support
· 7 months ago Thanks a lot, Sophia! Thrilled it made staying connected effortless. Come back anytime! — Sara
Ji-woo L.
Thailand · Dec 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas.
Grace
GotoeSIM Support
· 7 months ago Thanks for sharing, Ji-woo! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Grace 💜
Grace N.
Poland · Dec 2025
Saved me a fortune on my holiday in Japan. Setup instructions in the app were clear and simple.
Priya
GotoeSIM Support
· 7 months ago Cheers, Grace! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Priya 💜
Ethan F.
France · Dec 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Would definitely buy again.
Emma
GotoeSIM Support
· 7 months ago Cheers, Ethan! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Emma
Thomas D.
Canada · Dec 2025
Installed in minutes by scanning the QR code in Japan. Coverage was strong even outside the city. Highly recommend for any traveller.
James
GotoeSIM Support
· 7 months ago Thank you for the kind words, Thomas! Love that you were online the moment you landed in Japan. – James, 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