Japan eSIM — reviews & details
Japan 3GB/Day (IIJ) · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ingrid P.
Philippines · Dec 2025
Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Made staying connected effortless.
Emma
GotoeSIM Support
· 7 months ago So glad to hear this, Ingrid! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Emma
Diego R.
Philippines · Dec 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Telling my friends about this.
Priya
GotoeSIM Support
· 7 months ago Thank you so much, Diego! Delighted the speeds worked well for you. Enjoy your journeys! — Priya
Hana L.
New Zealand · Nov 2025
Did the job without any drama in Japan. Setup instructions in the app were clear and simple. Telling my friends about this.
Grace
GotoeSIM Support
· 8 months ago Really appreciate this, Hana! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Grace, GotoeSIM Support
Chloe T.
Japan · Nov 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 8 months ago Thanks for sharing, Chloe! Thrilled it made staying connected effortless. — Omar
Mateo W.
Egypt · Nov 2025
Did the job without any drama. Activation was automatic when I arrived.
Emma
GotoeSIM Support
· 8 months ago Thanks for sharing, Mateo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Emma 💜
Diego S.
United States · Nov 2025
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
Yuki
GotoeSIM Support
· 8 months ago Really appreciate this, Diego! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Yuki 💜
Ava M.
Sweden · Oct 2025
Did the job without any drama. Topping up was straightforward when I needed more. Zero regrets.
Omar
GotoeSIM Support
· 8 months ago Thank you so much, Ava! Delighted the speeds worked well for you. – Omar, GotoeSIM Support
Priya P.
Egypt · Oct 2025
Connected the moment I landed. Topping up was straightforward when I needed more. Highly recommend for any traveller.
James
GotoeSIM Support
· 9 months ago Thank you for the kind words, Priya! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — James, GotoeSIM Support
Chloe L.
United States · Oct 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 9 months ago Thanks for sharing, Chloe! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Ingrid, GotoeSIM Support
Pablo C.
Australia · Oct 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
Mark
GotoeSIM Support
· 9 months ago Thank you for the kind words, Pablo! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Mark 💜
Mei D.
Turkey · Oct 2025
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare.
Laura
GotoeSIM Support
· 9 months ago Thanks a lot, Mei! Great to know the setup was quick and easy. We're here whenever you travel again. — Laura
Somchai H.
Italy · Oct 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Telling my friends about this.
Sophie
GotoeSIM Support
· 9 months ago Thank you so much, Somchai! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Sophie 💜
Somchai H.
Singapore · Oct 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple.
Priya
GotoeSIM Support
· 9 months ago Thanks for sharing, Somchai! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Priya, GotoeSIM Support
Marco W.
Sweden · Oct 2025
First time using an eSIM and it was painless in Japan. Streaming and video calls worked without buffering.
Tom
GotoeSIM Support
· 9 months ago Thank you for the kind words, Marco! Love that you were online the moment you landed in Japan. — Tom, GotoeSIM Support
Min-jun V.
United Kingdom · Oct 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more.
Laura
GotoeSIM Support
· 9 months ago Thank you so much, Min-jun! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Laura, 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. · 4 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