Japan eSIM — reviews & details
Japan 1GB 7Days (IIJ) · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Carlos D.
Vietnam · Sep 2025
Saved me a fortune on my holiday. Coverage was strong even outside the city. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 10 months ago Thank you for the kind words, Carlos! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Priya, GotoeSIM Support
Anna F.
Brazil · Sep 2025
Did the job without any drama. Topping up was straightforward when I needed more. A must-have for international travel.
James
GotoeSIM Support
· 10 months ago Cheers, Anna! So happy the Japan eSIM kept you connected. Come back anytime! — James, GotoeSIM Support
Andre B.
Turkey · Aug 2025
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. Would definitely buy again.
Anna
GotoeSIM Support
· 10 months ago Really appreciate this, Andre! Delighted the speeds worked well for you. We're here whenever you travel again. – Anna 💜
Marco B.
Vietnam · Aug 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 11 months ago Thanks a lot, Marco! So pleased it saved you from roaming bills. Enjoy your journeys! – Ingrid, GotoeSIM Support
Arjun R.
Switzerland · Aug 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 11 months ago So glad to hear this, Arjun! So pleased it saved you from roaming bills. — Diego, GotoeSIM Support
Camila C.
Saudi Arabia · Aug 2025
Connected the moment I landed. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Tom
GotoeSIM Support
· 11 months ago Thank you for the kind words, Camila! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Tom 💜
Omar K.
South Korea · Aug 2025
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Telling my friends about this.
Diego
GotoeSIM Support
· 11 months ago Thank you so much, Omar! Great to know the setup was quick and easy. Come back anytime! — Diego, GotoeSIM Support
Marco R.
United Kingdom · Aug 2025
Saved me a fortune on my holiday. The QR code arrived instantly by email. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 11 months ago So glad to hear this, Marco! Thrilled it made staying connected effortless. We're here whenever you travel again. — Anna
Emma L.
Japan · Aug 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 11 months ago Thanks for sharing, Emma! So happy the Japan eSIM kept you connected. — Ken, GotoeSIM Support
Ryan K.
Philippines · Aug 2025
Bought it the night before my flight — smooth process in Japan. Streaming and video calls worked without buffering. Exactly as described — no surprises.
David
GotoeSIM Support
· 11 months ago So glad to hear this, Ryan! So pleased it saved you from roaming bills. — David
Arjun G.
Malaysia · Aug 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Five stars from me.
Ken
GotoeSIM Support
· 11 months ago Cheers, Arjun! So pleased it saved you from roaming bills. – Ken 💜
Ethan W.
Sweden · Aug 2025
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Telling my friends about this.
Laura
GotoeSIM Support
· 11 months ago So glad to hear this, Ethan! Great to know the setup was quick and easy. Enjoy your journeys! – Laura, GotoeSIM Support
Pablo P.
Italy · Aug 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more.
Laura
GotoeSIM Support
· 11 months ago Really appreciate this, Pablo! Wonderful to hear it worked smoothly in Japan. – Laura 💜
Noah G.
South Korea · Aug 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing.
Mark
GotoeSIM Support
· 11 months ago Thank you for the kind words, Noah! Delighted the speeds worked well for you. We're here whenever you travel again. — Mark
Max L.
Portugal · Aug 2025
Saved me a fortune on my holiday. Customer support answered my question quickly. A must-have for international travel.
Omar
GotoeSIM Support
· 11 months ago Thank you for the kind words, Max! Thrilled it made staying connected effortless. – 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