Unwetter-Alarm is a free Android app developed by Land24 GmbH that provides weather warnings to farmers in Germany. With this app, users can receive notifications of weather warnings in their area, including thunderstorms, hail, and heavy rain. The app also includes an archive of past warnings and a map of Germany showing current weather conditions. It is important to note that an internet connection is required to access the latest weather warnings and map. The app is designed to be user-friendly and provides a valuable service to farmers. The app also includes a FAQ section for any questions users may have. Overall, Unwetter-Alarm is a great app for those who need to stay informed about weather conditions in their area.