Japan eSIM — reviews & details
Japan 1GB 7Days (IIJ) · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Louis H.
Vietnam · May 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
David
GotoeSIM Support
· 2 months ago Thank you for the kind words, Louis! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – David 💜
Katya N.
Italy · May 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.
Tom
GotoeSIM Support
· 2 months ago Thanks for sharing, Katya! Great to know the setup was quick and easy. Enjoy your journeys! – Tom, GotoeSIM Support
Aisha P.
India · May 2026
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Zero regrets.
Yuki
GotoeSIM Support
· 2 months ago Cheers, Aisha! So pleased it saved you from roaming bills. Enjoy your journeys! — Yuki, GotoeSIM Support
Sven N.
Ireland · May 2026
Connected the moment I landed. Customer support answered my question quickly. Made staying connected effortless.
Priya
GotoeSIM Support
· 2 months ago Really appreciate this, Sven! Thrilled it made staying connected effortless. – Priya 💜
Ananya M.
Indonesia · May 2026
Saved me a fortune on my holiday in Japan. Topping up was straightforward when I needed more. Telling my friends about this.
James
GotoeSIM Support
· 2 months ago Cheers, Ananya! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – James, GotoeSIM Support
Grace V.
Poland · May 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Telling my friends about this.
Grace
GotoeSIM Support
· 2 months ago Thanks for sharing, Grace! Love that you were online the moment you landed in Japan. – Grace, GotoeSIM Support
Lea M.
New Zealand · May 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 2 months ago Cheers, Lea! Wonderful to hear it worked smoothly in Japan. — Anna
Hugo D.
Portugal · May 2026
No more hunting for a SIM card kiosk on arrival in Japan. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 2 months ago Thank you for the kind words, Hugo! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Grace, GotoeSIM Support
Mohammed R.
France · May 2026
Did the job without any drama. Topping up was straightforward when I needed more.
Sara
GotoeSIM Support
· 2 months ago Thank you so much, Mohammed! Great to know the setup was quick and easy. – Sara, GotoeSIM Support
Sven K.
Canada · May 2026
Exactly what I needed for travelling in Japan. Topping up was straightforward when I needed more. Great experience overall.
Priya
GotoeSIM Support
· 2 months ago So glad to hear this, Sven! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Priya, GotoeSIM Support
Linh P.
United States · May 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Five stars from me.
David
GotoeSIM Support
· 2 months ago Thanks a lot, Linh! Great to know the setup was quick and easy. Enjoy your journeys! – David, GotoeSIM Support
Marco H.
South Korea · May 2026
Did the job without any drama. Activation was automatic when I arrived. Zero regrets.
Tom
GotoeSIM Support
· 2 months ago So glad to hear this, Marco! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Tom 💜
Camila M.
UAE · May 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Will use GotoeSIM for my next trip for sure.
Sara
GotoeSIM Support
· 2 months ago Thank you so much, Camila! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Sara, GotoeSIM Support
Andre H.
Japan · May 2026
Great value compared to roaming charges in Japan. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 2 months ago Cheers, Andre! Delighted the speeds worked well for you. Enjoy your journeys! — Omar, GotoeSIM Support
Yuki S.
Egypt · May 2026
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Telling my friends about this.
Ingrid
GotoeSIM Support
· 2 months ago Really appreciate this, Yuki! Wonderful to hear it worked smoothly in Japan. – Ingrid, 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