청주버스 스마트 is a free Android app developed by OU Apps that provides a smart companion for bus travel in the Cheongju area. With this app, users can access real-time bus locations and arrival information, ensuring a more convenient and efficient travel experience.

The app offers several key features to enhance the bus travel experience. Users can set vibration and notifications to receive alerts for bus boarding and alighting. The app also provides schedule alarms, allowing users to receive automatic notifications for arrival information at specified days and times. Additionally, users can customize the app's theme colors and font sizes for a personalized experience.

청주버스 스마트 supports multiple foreign languages, making it accessible to a wider range of users. The app also offers a widget feature, allowing users to check arrival information directly from the home screen without opening the app. Other user-friendly features include bookmarking, search history, and refresh time settings.

It is important to note that the app relies on information provided by the Cheongju City Bus Information System, and in the event of any system issues, the app may provide inaccurate information.

To ensure proper functionality, the app requires certain permissions, including internet access, vibration, power-saving mode, and booting service. Optional permissions include read and write access to external storage for user database backup and recovery, location access for nearby bus stop searches, address searches, and alighting notifications, and Android Doze Mode for schedule alarms.

Overall, 청주버스 스마트 is a useful and convenient app for bus travel in the Cheongju area, providing real-time bus information and various user-friendly features to enhance the travel experience.