경산버스 스마트 is a free Android application designed to enhance the bus travel experience in the Gyeongsan region. It offers real-time bus location tracking, arrival information, and a convenient widget feature for quick access. Users can search for nearby bus stops and receive notifications about bus arrivals via vibration and alarms. Additionally, the app can automatically provide arrival information based on user-specified days and times, making it a reliable companion for daily commuters.

The app's functionality is built on data provided through APIs from private companies, ensuring accurate and timely information without direct government affiliation. To fully utilize the app, users need to grant certain permissions, including internet access and vibration capabilities. Optional permissions for location and notifications enhance the user experience, while the app remains usable without them, albeit with some limitations.