Japan eSIM — reviews & details
Japan 1GB 7Days (IIJ) · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ava W.
Turkey · Feb 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
David
GotoeSIM Support
· 5 months ago Thank you so much, Ava! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – David, GotoeSIM Support
Ingrid F.
Mexico · Feb 2026
Connected the moment I landed. Data lasted the whole trip with room to spare. Made staying connected effortless.
Diego
GotoeSIM Support
· 5 months ago Thanks a lot, Ingrid! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Diego, GotoeSIM Support
Ravi D.
Sweden · Feb 2026
Super easy to set up before I flew out in Japan. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
James
GotoeSIM Support
· 5 months ago Thank you for the kind words, Ravi! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — James, GotoeSIM Support
Lucia N.
UAE · Feb 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email.
Priya
GotoeSIM Support
· 5 months ago So glad to hear this, Lucia! Great to know the setup was quick and easy. – Priya 💜
Wei P.
Canada · Feb 2026
Super easy to set up before I flew out in Japan. Customer support answered my question quickly. Telling my friends about this.
David
GotoeSIM Support
· 5 months ago Thanks for sharing, Wei! Love that you were online the moment you landed in Japan. – David, GotoeSIM Support
Diego V.
Australia · Feb 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
James
GotoeSIM Support
· 5 months ago Cheers, Diego! Thrilled it made staying connected effortless. Come back anytime! – James, GotoeSIM Support
James D.
UAE · Feb 2026
Connected the moment I landed. Ran hotspot to my laptop with no issues. A must-have for international travel.
Sophie
GotoeSIM Support
· 5 months ago Really appreciate this, James! So happy the Japan eSIM kept you connected. – Sophie, GotoeSIM Support
Isabella P.
Philippines · Feb 2026
Bought it the night before my flight — smooth process in Japan. Customer support answered my question quickly.
Anna
GotoeSIM Support
· 5 months ago So glad to hear this, Isabella! Thrilled it made staying connected effortless. — Anna
Emma R.
Italy · Feb 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 5 months ago Thanks for sharing, Emma! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Anna 💜
Haruto K.
South Korea · Feb 2026
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Would definitely buy again.
James
GotoeSIM Support
· 5 months ago Cheers, Haruto! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — James
Diego R.
Poland · Feb 2026
Bought it the night before my flight — smooth process in Japan. I kept my normal number for calls while using this for data.
Grace
GotoeSIM Support
· 5 months ago Thank you for the kind words, Diego! So happy the Japan eSIM kept you connected. — Grace
Beatriz F.
Malaysia · Feb 2026
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. A must-have for international travel.
Grace
GotoeSIM Support
· 5 months ago Thanks for sharing, Beatriz! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Grace
Mohammed D.
UAE · Feb 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city. A must-have for international travel.
Sophie
GotoeSIM Support
· 5 months ago Thanks for sharing, Mohammed! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Sophie
Nadia F.
Indonesia · Feb 2026
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. Will use GotoeSIM for my next trip for sure.
Tom
GotoeSIM Support
· 5 months ago Cheers, Nadia! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Tom, GotoeSIM Support
Min-jun F.
United States · Feb 2026
Saved me a fortune on my holiday. Streaming and video calls worked without buffering. Five stars from me.
Omar
GotoeSIM Support
· 5 months ago Thanks for sharing, Min-jun! So happy the Japan eSIM kept you connected. – Omar, 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