Japan eSIM — reviews & details
Japan 1GB 7Days (IIJ) · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Fatima D.
Mexico · Dec 2025
Super easy to set up before I flew out. The QR code arrived instantly by email.
Ingrid
GotoeSIM Support
· 7 months ago Really appreciate this, Fatima! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Ingrid
Ji-woo M.
Switzerland · Dec 2025
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Five stars from me.
Ingrid
GotoeSIM Support
· 7 months ago Thank you so much, Ji-woo! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Ingrid 💜
Ethan N.
UAE · Dec 2025
Did the job without any drama. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 7 months ago Really appreciate this, Ethan! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Priya, GotoeSIM Support
Grace H.
Egypt · Dec 2025
Did the job without any drama in Japan. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
David
GotoeSIM Support
· 7 months ago Thank you for the kind words, Grace! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – David, GotoeSIM Support
Max F.
Egypt · Dec 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 7 months ago So glad to hear this, Max! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Diego
Anna W.
Spain · Dec 2025
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Five stars from me.
Laura
GotoeSIM Support
· 7 months ago Thanks a lot, Anna! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Laura, GotoeSIM Support
Olivia B.
Switzerland · Dec 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
James
GotoeSIM Support
· 7 months ago Thank you for the kind words, Olivia! So pleased it saved you from roaming bills. – James 💜
Sven W.
Vietnam · Dec 2025
Connected the moment I landed in Japan. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 7 months ago Really appreciate this, Sven! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Mark 💜
Aisha L.
Mexico · Nov 2025
Saved me a fortune on my holiday. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 8 months ago Really appreciate this, Aisha! Thrilled it made staying connected effortless. We're here whenever you travel again. – Emma 💜
Ravi H.
UAE · Nov 2025
Connected the moment I landed. Topping up was straightforward when I needed more. A must-have for international travel.
Sara
GotoeSIM Support
· 8 months ago Thanks a lot, Ravi! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Sara
Lea V.
Malaysia · Nov 2025
First time using an eSIM and it was painless. Customer support answered my question quickly.
Sara
GotoeSIM Support
· 8 months ago So glad to hear this, Lea! Thrilled it made staying connected effortless. – Sara, GotoeSIM Support
Elena L.
India · Nov 2025
Did the job without any drama. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 8 months ago Thanks a lot, Elena! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Emma, GotoeSIM Support
Linh D.
Vietnam · Nov 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Would definitely buy again.
Anna
GotoeSIM Support
· 8 months ago Thank you so much, Linh! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Anna
Beatriz P.
Malaysia · Nov 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Telling my friends about this.
David
GotoeSIM Support
· 8 months ago Really appreciate this, Beatriz! Thrilled it made staying connected effortless. — David
Ananya R.
Switzerland · Nov 2025
Did the job without any drama. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Anna
GotoeSIM Support
· 8 months ago Thank you for the kind words, Ananya! Love that you were online the moment you landed in Japan. — Anna, GotoeSIM Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 1GB 7Days (IIJ) plan costs $1.05 for 1 GB over 7 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
Carlos M. · 2 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Carlos, on 4G/5G where available. – Grace 💜
Zoe B. · 2 months ago
Is 5G supported or just 4G?
Yes Zoe, 5G is supported where the local network offers it, otherwise fast 4G. — Tom, GotoeSIM Support
Max G. · 3 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Max! The eSIM just handles data. – Yuki 💜
Liam G. · 3 months ago
How long does the QR code take to arrive after payment?
It's immediate, Liam! The QR code is delivered the moment your payment goes through. – Laura, GotoeSIM Support
Ethan V. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Topping up is easy, Ethan! Just add more data to your existing eSIM in the app. – Mark 💜
Viktor T. · 6 months ago
Does this work on an iPhone 13?
Absolutely, Viktor! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — Sophie, GotoeSIM Support
Pablo W. · 7 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Pablo — no extra charges, it's all prepaid. — Ken, GotoeSIM Support
Grace T. · 7 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Grace, so buying early is totally fine. — Priya, GotoeSIM Support
Aisha G. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Aisha! We're always here if you need anything. – David, GotoeSIM Support
James H. · 10 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, James — check My eSIMs anytime. – Omar 💜
Chloe L. · 1 year ago
Thanks, installed with no problems on my Samsung.
Yes Chloe, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. — Sara, GotoeSIM Support
Mei L. · 1 year ago
Can I use this for hotspot/tethering?
Yes Mei, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Ingrid, GotoeSIM Support