Cluj Bus is a free interactive mobile application designed to enhance the public transport experience in Cluj-Napoca, Romania. Available in four languages—Romanian, Hungarian, German, and English—the app provides users with access to a comprehensive offline map of the city's public transport system, including all bus and tram routes. Users can find bus stops, points of interest, and current schedules, ensuring they navigate the city with ease.

Key features include an integrated compass for orientation, automatic schedule updates, and the ability to announce current and next stops while on the bus. The app also allows users to search for routes and stops, find nearby points of interest, and purchase tickets via text messages. With about 80 bus and tram services available, Cluj Bus aims to make public transport a convenient and enjoyable option for both residents and visitors.