Japan eSIM — reviews & details
Japan 1GB 7Days (IIJ) · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Thomas R.
United States · Mar 2026
Great value compared to roaming charges in Japan. Coverage was strong even outside the city. Great experience overall.
Ken
GotoeSIM Support
· 4 months ago Thanks for sharing, Thomas! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Ken, GotoeSIM Support
Max B.
Brazil · Mar 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Zero regrets.
Yuki
GotoeSIM Support
· 4 months ago Thanks for sharing, Max! So happy the Japan eSIM kept you connected. Come back anytime! – Yuki, GotoeSIM Support
Max R.
Malaysia · Mar 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
Omar
GotoeSIM Support
· 4 months ago Thank you for the kind words, Max! So happy the Japan eSIM kept you connected. Come back anytime! — Omar
Ananya L.
Malaysia · Mar 2026
Connected the moment I landed. Topping up was straightforward when I needed more.
Tom
GotoeSIM Support
· 4 months ago Thank you for the kind words, Ananya! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Tom, GotoeSIM Support
Kenji M.
Indonesia · Mar 2026
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Telling my friends about this.
Ken
GotoeSIM Support
· 4 months ago So glad to hear this, Kenji! Delighted the speeds worked well for you. Come back anytime! — Ken
Mateo F.
India · Mar 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived.
Sophie
GotoeSIM Support
· 4 months ago Thank you for the kind words, Mateo! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Sophie, GotoeSIM Support
Emma V.
Japan · Mar 2026
Great value compared to roaming charges. Coverage was strong even outside the city. Five stars from me.
Sara
GotoeSIM Support
· 4 months ago Cheers, Emma! Love that you were online the moment you landed in Japan. Come back anytime! – Sara, GotoeSIM Support
Ji-woo T.
Germany · Mar 2026
Great value compared to roaming charges. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 4 months ago Thanks for sharing, Ji-woo! Thrilled it made staying connected effortless. — Ingrid, GotoeSIM Support
Zoe F.
Malaysia · Feb 2026
Saved me a fortune on my holiday. Topping up was straightforward when I needed more. Made staying connected effortless.
Mark
GotoeSIM Support
· 4 months ago So glad to hear this, Zoe! Thrilled it made staying connected effortless. Come back anytime! – Mark, GotoeSIM Support
Ravi D.
Germany · Feb 2026
Used this on my trip and it worked perfectly. Coverage was strong even outside the city. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 4 months ago Thank you for the kind words, Ravi! Great to know the setup was quick and easy. Enjoy your journeys! – Ken, GotoeSIM Support
Mohammed S.
Sweden · Feb 2026
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Five stars from me.
David
GotoeSIM Support
· 5 months ago So glad to hear this, Mohammed! So pleased it saved you from roaming bills. — David
Kenji H.
Sweden · Feb 2026
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues.
Grace
GotoeSIM Support
· 5 months ago Cheers, Kenji! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Grace 💜
Pablo W.
Egypt · Feb 2026
Saved me a fortune on my holiday in Japan. Streaming and video calls worked without buffering. Zero regrets.
Tom
GotoeSIM Support
· 5 months ago Cheers, Pablo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Tom, GotoeSIM Support
Budi S.
Thailand · Feb 2026
Did the job without any drama. Customer support answered my question quickly. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 5 months ago Thanks a lot, Budi! Love that you were online the moment you landed in Japan. — Mark, GotoeSIM Support
Sophia S.
Mexico · Feb 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Would definitely buy again.
Diego
GotoeSIM Support
· 5 months ago So glad to hear this, Sophia! Love that you were online the moment you landed in Japan. — Diego
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