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
Aisha L.
Indonesia · May 2025
Good coverage in the city, a bit patchy in remote areas.
James
GotoeSIM Support
· 1 year ago Thank you for taking the time, Aisha. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – James, eSIM TopUp Support
Linh V.
Philippines · May 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
David
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Linh. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — David, eSIM TopUp Support
Pablo G.
Turkey · May 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Pablo! Wonderful to hear it worked smoothly in Japan & South Korea. — Laura
Priya P.
Philippines · May 2025
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Zero regrets.
Ken
GotoeSIM Support
· 1 year ago Thanks a lot, Priya! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Ken
Viktor B.
South Korea · May 2025
Great value compared to roaming charges. Coverage was strong even outside the city.
Laura
GotoeSIM Support
· 1 year ago Thank you so much, Viktor! Great to know the setup was quick and easy. — Laura, eSIM TopUp Support
Kenji T.
Thailand · May 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Kenji! So pleased it saved you from roaming bills. We're here whenever you travel again. — Diego
Anna H.
UAE · May 2025
Did the job without any drama. The QR code arrived instantly by email. Zero regrets.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, Anna! Great to know the setup was quick and easy. We're here whenever you travel again. – Omar, eSIM TopUp Support
Ji-woo L.
Portugal · May 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 1 year ago Really appreciate this, Ji-woo! So pleased it saved you from roaming bills. Enjoy your journeys! – Omar, eSIM TopUp Support
Zoe M.
Brazil · May 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Topping up was straightforward when I needed more. Made staying connected effortless.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, Zoe! So pleased it saved you from roaming bills. We're here whenever you travel again. — Omar, eSIM TopUp Support
Beatriz V.
Turkey · May 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. A must-have for international travel.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Beatriz! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Ken
Nguyen F.
Netherlands · May 2025
Super easy to set up before I flew out in Japan & South Korea. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 year ago Thank you so much, Nguyen! So pleased it saved you from roaming bills. – David 💜
Louis H.
Saudi Arabia · May 2025
Connected the moment I landed in Japan & South Korea. The QR code arrived instantly by email. Would definitely buy again.
Tom
GotoeSIM Support
· 1 year ago So glad to hear this, Louis! So happy the Japan & South Korea eSIM kept you connected. — Tom, eSIM TopUp Support
Min-jun G.
Poland · May 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Min-jun! Great to know the setup was quick and easy. — Sophie, eSIM TopUp Support
Somchai K.
France · May 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Somchai! Thrilled it made staying connected effortless. — Sophie
Andre S.
Canada · May 2025
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Grace
GotoeSIM Support
· 1 year ago Apologies for the trouble, Andre. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. — Grace
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?