Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB/Day · 1 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Somchai G.
Vietnam · Dec 2025
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. A must-have for international travel.
Ingrid
GotoeSIM Support
· 7 months ago Thank you so much, Somchai! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Ingrid
Grace M.
United Kingdom · Dec 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Zero regrets.
Diego
GotoeSIM Support
· 7 months ago Thank you so much, Grace! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Diego, eSIM TopUp Support
Chloe T.
France · Dec 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Zero regrets.
Anna
GotoeSIM Support
· 7 months ago Really appreciate this, Chloe! Wonderful to hear it worked smoothly in Japan & South Korea. — Anna
Omar W.
Germany · Dec 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Would definitely buy again.
Tom
GotoeSIM Support
· 7 months ago So glad to hear this, Omar! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Tom 💜
Carlos G.
Saudi Arabia · Dec 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Great experience overall.
Ken
GotoeSIM Support
· 8 months ago Thank you so much, Carlos! Thrilled it made staying connected effortless. – Ken 💜
Fatima T.
Sweden · Dec 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. Zero regrets.
Mark
GotoeSIM Support
· 8 months ago So glad to hear this, Fatima! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Mark
Katya S.
New Zealand · Dec 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly.
Yuki
GotoeSIM Support
· 8 months ago Cheers, Katya! So pleased it saved you from roaming bills. — Yuki
Mateo T.
Netherlands · Dec 2025
Connected the moment I landed. The QR code arrived instantly by email. Would definitely buy again.
Emma
GotoeSIM Support
· 8 months ago Thank you for the kind words, Mateo! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Emma, eSIM TopUp Support
Daniel C.
United States · Nov 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Anna
GotoeSIM Support
· 8 months ago Thank you so much, Daniel! Thrilled it made staying connected effortless. – Anna 💜
Sri R.
France · Nov 2025
Super easy to set up before I flew out in Japan & South Korea. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 8 months ago Thank you for the kind words, Sri! Wonderful to hear it worked smoothly in Japan & South Korea. – Priya 💜
Beatriz N.
United Kingdom · Nov 2025
First time using an eSIM and it was painless in Japan & South Korea. Coverage was strong even outside the city. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 8 months ago So glad to hear this, Beatriz! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Diego, eSIM TopUp Support
Nadia K.
Japan · Nov 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Grace
GotoeSIM Support
· 8 months ago Really appreciate this, Nadia! Thrilled it made staying connected effortless. Enjoy your journeys! – Grace 💜
Daniel H.
Poland · Nov 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 8 months ago Thanks a lot, Daniel! Great to know the setup was quick and easy. Come back anytime! – Anna, eSIM TopUp Support
Lucas N.
Egypt · Nov 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more.
Ingrid
GotoeSIM Support
· 8 months ago Thanks a lot, Lucas! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Ingrid
Carlos C.
Canada · Nov 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Telling my friends about this.
Omar
GotoeSIM Support
· 8 months ago Thanks a lot, Carlos! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Omar, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB/Day plan costs $2.03 for 1 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
Marco K. · 1 week ago
How long does the QR code take to arrive after payment?
Beatriz S. · 1 month ago
Does this work on an iPhone 13?
Budi D. · 3 months ago
Will this keep my WhatsApp active with my home number?
Lucas P. · 4 months ago
Is 5G supported or just 4G?
Grace B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Liam L. · 6 months ago
Does the validity start on purchase or on first use?
Beatriz V. · 8 months ago
Which networks does this connect to?
Haruto G. · 9 months ago
Is roaming charged extra or is it all included?
Ryan N. · 9 months ago
Can I use it in nearby countries too?
Ava B. · 10 months ago
Do I need to install it before I travel or after I arrive?
Camila P. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Sofia B. · 11 months ago
Can I use this for hotspot/tethering?