Developed by Innenministerium Baden-Württemberg, Klima Buddy is a free-to-download, online-based app that offers tips and tricks for a more climate-friendly lifestyle. It is based on a user assessment of their personal carbon footprint. Klima Buddy also provides information about the consequences of climate change in Baden-Württemberg and offers solutions for those affected. The app also includes a weekly report that shows the user's achievements.

The app's functionality is based on the user's determined carbon footprint. Klima Buddy provides detailed information on how to reduce your carbon footprint, as well as information on the impact of climate change on the environment and your health.