Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Somchai W.
Ireland · Feb 2025
Exactly what I needed for travelling in Japan. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
David
GotoeSIM Support
· 1 year ago Thanks a lot, Somchai! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — David
Ananya B.
Canada · Feb 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
Emma
GotoeSIM Support
· 1 year ago Thanks a lot, Ananya! Delighted the speeds worked well for you. — Emma
Sarah M.
Thailand · Feb 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas.
James
GotoeSIM Support
· 1 year ago So glad to hear this, Sarah! So happy the Japan eSIM kept you connected. Enjoy your journeys! – James, eSIM TopUp Support
Wei K.
Switzerland · Feb 2025
No more hunting for a SIM card kiosk on arrival in Japan. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Omar
GotoeSIM Support
· 1 year ago Cheers, Wei! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — Omar
Ethan S.
Australia · Feb 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Ethan! Delighted the speeds worked well for you. Enjoy your journeys! — Grace
Mohammed G.
United Kingdom · Feb 2025
First time using an eSIM and it was painless. Customer support answered my question quickly. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 1 year ago Thanks a lot, Mohammed! Love that you were online the moment you landed in Japan. — Diego, eSIM TopUp Support
Ji-woo L.
Canada · Jan 2025
First time using an eSIM and it was painless in Japan. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Ji-woo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Laura, eSIM TopUp Support
Aisha N.
Philippines · Jan 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Zero regrets.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Aisha! Delighted the speeds worked well for you. We're here whenever you travel again. — Priya
Louis B.
Vietnam · Jan 2025
Connected the moment I landed. Topping up was straightforward when I needed more. Telling my friends about this.
Grace
GotoeSIM Support
· 1 year ago Thank you for the kind words, Louis! So happy the Japan eSIM kept you connected. — Grace, eSIM TopUp Support
Diego F.
Portugal · Jan 2025
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Diego! So happy the Japan eSIM kept you connected. — Ken, eSIM TopUp Support
Elena N.
Portugal · Jan 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Elena! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Sara, eSIM TopUp Support
Zoe D.
Singapore · Jan 2025
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. A must-have for international travel.
Omar
GotoeSIM Support
· 1 year ago Cheers, Zoe! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Omar, eSIM TopUp Support
Marco F.
Poland · Jan 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email.
Grace
GotoeSIM Support
· 1 year ago Thank you for the kind words, Marco! So happy the Japan eSIM kept you connected. — Grace, eSIM TopUp Support
Anna M.
UAE · Jan 2025
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Priya
GotoeSIM Support
· 1 year ago Thank you for the kind words, Anna! So pleased it saved you from roaming bills. – Priya 💜
Max F.
United States · Jan 2025
No more hunting for a SIM card kiosk on arrival in Japan. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 1 year ago Thanks a lot, Max! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Ingrid
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days (IIJ) plan costs $12.30 for 20 GB over 30 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 eSIM TopUp 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
Katya K. · 2 months ago
Is 5G supported or just 4G?
Katya V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Beatriz C. · 8 months ago
Is roaming charged extra or is it all included?
Lea B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Kenji R. · 9 months ago
Do I need to install it before I travel or after I arrive?
Zoe V. · 9 months ago
How do I check how much data I have left?
Grace C. · 10 months ago
Great guide, the setup steps were really helpful.
Camila M. · 11 months ago
Can I use it in nearby countries too?
Mateo B. · 11 months ago
Which networks does this connect to?
Beatriz R. · 11 months ago
Does the validity start on purchase or on first use?
Sarah V. · 11 months ago
How long does the QR code take to arrive after payment?
Thomas N. · 1 year ago
Can I top up the same eSIM instead of buying a new one?