It is an application for urban cyclists to help them find the best routes through the city of Prague. The app uses the data from the OpenStreetMap project and guides the user through the city with step-by-step voice navigation.

The app is a part of the Čistou stopou campaign which is a campaign to promote cycling as a mode of transport. The app finds the best routes through the city given the user's detailed requirements and increases the joy during the ride.

The user can choose the routes from the list suggested by the application or from the one the user has chosen.