Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB/Day · 10 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Louis H.
Sweden · May 2026
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Great experience overall.
Emma
GotoeSIM Support
· 2 months ago Thank you so much, Louis! Delighted the speeds worked well for you. We're here whenever you travel again. – Emma, eSIM TopUp Support
Zoe G.
Canada · May 2026
Saved me a fortune on my holiday. Topping up was straightforward when I needed more.
James
GotoeSIM Support
· 3 months ago So glad to hear this, Zoe! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — James, eSIM TopUp Support
Hana B.
South Korea · May 2026
Great value compared to roaming charges in Japan & South Korea. Signal held up well on trains and in rural areas. Five stars from me.
Tom
GotoeSIM Support
· 3 months ago Thanks for sharing, Hana! Love that you were online the moment you landed in Japan & South Korea. – Tom 💜
Linh S.
Poland · Apr 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Made staying connected effortless.
Anna
GotoeSIM Support
· 3 months ago Cheers, Linh! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support
Grace H.
Malaysia · Apr 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 3 months ago Thanks a lot, Grace! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Laura, eSIM TopUp Support
Olivia N.
Australia · Apr 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Great experience overall.
Grace
GotoeSIM Support
· 4 months ago Really appreciate this, Olivia! Thrilled it made staying connected effortless. Enjoy your journeys! – Grace, eSIM TopUp Support
Zoe B.
Sweden · Apr 2026
Did the job without any drama in Japan & South Korea. Data lasted the whole trip with room to spare. A must-have for international travel.
James
GotoeSIM Support
· 4 months ago Thank you so much, Zoe! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – James 💜
Mateo M.
Singapore · Mar 2026
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Grace
GotoeSIM Support
· 4 months ago Cheers, Mateo! Wonderful to hear it worked smoothly in Japan & South Korea. — Grace
Carlos M.
Ireland · Mar 2026
Connected the moment I landed in Japan & South Korea. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Anna
GotoeSIM Support
· 4 months ago Thank you so much, Carlos! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! – Anna 💜
Priya G.
Indonesia · Mar 2026
Connected the moment I landed in Japan & South Korea. The QR code arrived instantly by email.
Priya
GotoeSIM Support
· 4 months ago So glad to hear this, Priya! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Priya
Sophia D.
Canada · Mar 2026
Installed in minutes by scanning the QR code in Japan & South Korea. I kept my normal number for calls while using this for data.
Diego
GotoeSIM Support
· 4 months ago So glad to hear this, Sophia! Thrilled it made staying connected effortless. – Diego, eSIM TopUp Support
Noah R.
South Korea · Mar 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 4 months ago Really appreciate this, Noah! Thrilled it made staying connected effortless. – Omar 💜
Yuki F.
Australia · Mar 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. A must-have for international travel.
David
GotoeSIM Support
· 4 months ago Really appreciate this, Yuki! Love that you were online the moment you landed in Japan & South Korea. – David, eSIM TopUp Support
Priya S.
Italy · Mar 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Zero regrets.
Anna
GotoeSIM Support
· 5 months ago Thanks a lot, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Anna 💜
Anna G.
Germany · Mar 2026
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Made staying connected effortless.
James
GotoeSIM Support
· 5 months ago Thank you so much, Anna! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – James 💜
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB/Day plan costs $14.18 for 10 GB/day over 1 days, paid once with no hidden fees.
How do I activate my Japan & South Korea 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 & South Korea.
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 & South Korea.
Comments & questions
Sven N. · 4 weeks ago
Which networks does this connect to?
Ryan W. · 2 months ago
Does the validity start on purchase or on first use?
Fatima G. · 3 months ago
Can I use this for hotspot/tethering?
James C. · 5 months ago
Do I need to install it before I travel or after I arrive?
Ji-woo H. · 6 months ago
Is 5G supported or just 4G?
Sven S. · 7 months ago
How long does the QR code take to arrive after payment?
Zoe G. · 7 months ago
Is roaming charged extra or is it all included?
Lea F. · 7 months ago
How do I check how much data I have left?
Omar P. · 10 months ago
Can I use it in nearby countries too?
Thomas M. · 10 months ago
Does this work on an iPhone 13?
Pablo B. · 1 year ago
Great guide, the setup steps were really helpful.
Mohammed N. · 1 year ago
Thanks, installed with no problems on my Samsung.