K-ETA is a mobile app developed by 법무부 (Ministry of Justice) that serves as the official Republic of Korea government app for applying for the K-ETA. The K-ETA is an electronic travel authorization that visa-free foreign visitors need to obtain before entering Korea. With this app, users can easily and conveniently apply for their K-ETA by submitting relevant travel information.

The K-ETA is required for nationals of 66 visa-waiver countries and 46 designated visa-free countries. It is important to note that applicants need to apply at least 24 hours before boarding their flight or ship to Korea. The app provides a user-friendly interface and step-by-step instructions, making the application process smooth and hassle-free.