FOSS Warn

Get emergency alerts from warnung.bund.de or alert.swiss
(The app is currently in a BETA status.)

FOSS Warn is an unofficial open source application to get emergency alerts from warnung.bund.de (Germany) oder alert.swiss (Switzerland). You can store locations in the app for which you would like to receive notifications.

Important: FOSS Warn is unofficial and has nothing to do with the official APP Nina from BBK.

Notice: FOSS Warn is currently only available in German, but there is a translation help here

Anti-Features

This app has features you may not like. Learn more!

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 0.4.6 (25) suggested Added on 2022-11-28

    This version requires Android 6.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • display notifications as full screen activities on a locked device
      Allows the app to display notifications as full screen activities on a locked device
    • de.nucleus.foss_warn.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 44 MiB PGP Signature | Build Log

  • Version 0.4.5 (24) - Added on 2022-11-12

    This version requires Android 6.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • display notifications as full screen activities on a locked device
      Allows the app to display notifications as full screen activities on a locked device
    • de.nucleus.foss_warn.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 44 MiB PGP Signature | Build Log

  • Version 0.4.3 (22) - Added on 2022-10-05

    This version requires Android 6.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • run foreground service
      Allows the app to make use of foreground services.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • display notifications as full screen activities on a locked device
      Allows the app to display notifications as full screen activities on a locked device

    Download APK 43 MiB PGP Signature | Build Log