Rejseplanen is a free travel and navigation app developed by Rejseplanen AS for Android users. The app provides a comprehensive search feature to find journeys between all addresses, stations, stops, and points of interest in all of Denmark. It also enables users to see the departures from their nearest stops or stations and a map of their walk to the station or stop via Google Maps.

The app offers a current status feature of most trains, the Copenhagen Metro, and buses. Users can easily access their previous searches and use the "Take me home" button to get a journey from their current location to their home address. Additionally, users can follow their most used journeys and receive an alarm if there are any changes to the journey.

Overall, Rejseplanen is a useful app for those traveling in Denmark, providing a comprehensive and convenient way to plan journeys and stay up-to-date with travel information.