Japan eSIM — reviews & details
Japan 3GB/Day (IIJ) · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Lucas T.
Switzerland · Jul 2026
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data.
Yuki
GotoeSIM Support
· 3 days ago Thanks a lot, Lucas! Delighted the speeds worked well for you. – Yuki, GotoeSIM Support
Andre G.
Poland · Jul 2026
Installed in minutes by scanning the QR code in Japan. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 4 days ago Thank you for the kind words, Andre! Love that you were online the moment you landed in Japan. Come back anytime! – Tom 💜
Camila P.
Switzerland · Jul 2026
Super easy to set up before I flew out in Japan. Setup instructions in the app were clear and simple. Telling my friends about this.
Sara
GotoeSIM Support
· 4 days ago Really appreciate this, Camila! Wonderful to hear it worked smoothly in Japan. – Sara 💜
Budi B.
United Kingdom · Jul 2026
Saved me a fortune on my holiday. Topping up was straightforward when I needed more. Will use GotoeSIM for my next trip for sure.
Anna
GotoeSIM Support
· 6 days ago Thanks for sharing, Budi! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Anna, GotoeSIM Support
Olivia T.
Switzerland · Jul 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Will use GotoeSIM for my next trip for sure.
Diego
GotoeSIM Support
· 1 week ago So glad to hear this, Olivia! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Diego, GotoeSIM Support
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
Olivia P.
Sweden · Jul 2026
Connected the moment I landed. Setup instructions in the app were clear and simple.
Laura
GotoeSIM Support
· 1 week ago Thanks for sharing, Olivia! Thrilled it made staying connected effortless. – Laura 💜
Min-jun D.
Malaysia · Jul 2026
Did the job without any drama. Setup instructions in the app were clear and simple.
Laura
GotoeSIM Support
· 1 week ago Cheers, Min-jun! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Laura
Yuki D.
France · Jul 2026
Super easy to set up before I flew out. Customer support answered my question quickly. Would definitely buy again.
Ingrid
GotoeSIM Support
· 1 week ago Cheers, Yuki! Wonderful to hear it worked smoothly in Japan. — Ingrid, GotoeSIM Support
Camila W.
Canada · Jul 2026
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 1 week ago Really appreciate this, Camila! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Laura 💜
Sven T.
Italy · Jul 2026
Did the job without any drama. Activation was automatic when I arrived in Japan.
David
GotoeSIM Support
· 1 week ago Thanks a lot, Sven! Love that you were online the moment you landed in Japan. — David, GotoeSIM Support
Ravi V.
UAE · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan. Topping up was straightforward when I needed more.
James
GotoeSIM Support
· 1 week ago Cheers, Ravi! Delighted the speeds worked well for you. — James, GotoeSIM Support
Haruto W.
Egypt · Jul 2026
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 week ago Thanks for sharing, Haruto! Thrilled it made staying connected effortless. – Omar 💜
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
Linh K.
Netherlands · Jul 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 2 weeks ago Thanks for sharing, Linh! Great to know the setup was quick and easy. — Sara
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. · 3 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