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
Camila V.
United Kingdom · Oct 2025
Install took me two tries but was fine after that.
David
GotoeSIM Support
· 10 months ago Appreciate you sharing this, Camila. 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
Thomas C.
Indonesia · Sep 2025
Install took me two tries but was fine after that. Setup instructions in the app were clear and simple.
Emma
GotoeSIM Support
· 10 months ago Thank you for taking the time, Thomas. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. — Emma, eSIM TopUp Support
Max V.
Canada · Sep 2025
Install took me two tries but was fine after that.
Sophie
GotoeSIM Support
· 10 months ago Thank you for taking the time, Max. 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. – Sophie 💜
Mei F.
Malaysia · Aug 2025
Decent speeds, though slower than I expected in a few spots.
Mark
GotoeSIM Support
· 11 months ago Thanks for the honest feedback, Mei. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. — Mark, eSIM TopUp Support
Omar D.
United Kingdom · Aug 2025
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Priya
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Omar. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. – Priya 💜
Max D.
Netherlands · Jul 2025
Good coverage in the city, a bit patchy in remote areas. The QR code arrived instantly by email.
Tom
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Max. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — Tom
Budi C.
Vietnam · Jul 2025
Good coverage in the city, a bit patchy in remote areas. Streaming and video calls worked without buffering.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Budi. 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. – Ingrid 💜
Lucia V.
Philippines · Jun 2025
Worked fine but took a little while to connect at first.
David
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Lucia. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. – David 💜
Olivia F.
Poland · Jun 2025
Install took me two tries but was fine after that.
David
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Olivia. 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
Sven F.
Ireland · Jun 2025
Solid overall, just wish there was a bit more data for the price.
Tom
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Sven. 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. – Tom, eSIM TopUp Support
Noah B.
Saudi Arabia · Jun 2025
Solid overall, just wish there was a bit more data for the price. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Noah. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Diego
Aisha M.
Mexico · Jun 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 1 year ago Thank you for taking the time, Aisha. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. – Omar 💜
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
Wei R.
Sweden · May 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 1 year ago Thank you for taking the time, Wei. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – 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?