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
Elena M.
Ireland · Dec 2025
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple. A must-have for international travel.
Ingrid
GotoeSIM Support
· 7 months ago Really appreciate this, Elena! So pleased it saved you from roaming bills. — Ingrid, eSIM TopUp Support
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
Priya G.
Poland · Dec 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing. Great experience overall.
Yuki
GotoeSIM Support
· 7 months ago Really appreciate this, Priya! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Yuki, eSIM TopUp Support
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 💜
Nguyen B.
Singapore · Dec 2025
Connected the moment I landed. Customer support answered my question quickly.
Anna
GotoeSIM Support
· 8 months ago So glad to hear this, Nguyen! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Anna 💜
Ryan T.
Mexico · Dec 2025
Decent speeds, though slower than I expected in a few spots. Streaming and video calls worked without buffering.
Diego
GotoeSIM Support
· 8 months ago So sorry to hear this, Ryan. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. – Diego, eSIM TopUp Support
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
Ryan N.
Ireland · Dec 2025
Exactly what I needed for travelling. Customer support answered my question quickly.
James
GotoeSIM Support
· 8 months ago Thank you for the kind words, Ryan! Thrilled it made staying connected effortless. Come back anytime! – James, eSIM TopUp Support
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 💜
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?