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FOSS Warn

Receive emergency alerts worldwide
FOSS Warn is an app for receiving global emergency alerts. Whether it's flooding, a tsunami, or bomb disposal, if there's an alert, you'll receive it.

FOSS Warn uses the FOSS Public Alert Server to obtain alerts. This aggregates official feeds with alerts from over 100 countries worldwide.

A list of supported countries can be found here: https://alerts.kde.org/sources/status

Features:
- Receive alerts in over 100 countries worldwide
- Receive push notifications via UnifiedPush
- Display alerts on a map
- Material 3

FOSS Warn and the FOSS Public Alert Server are independent and in no way affiliated with any official authority.

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.

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  • Version 1.0.1 (413) suggested Added on Dec 13, 2025

    arm64-v8a

    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

    Download APK 9 MiB PGP Signature | Build Log

  • Version 1.0.1 (412) - Added on Dec 13, 2025

    armeabi-v7a

    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

    Download APK 9 MiB PGP Signature | Build Log

  • Version 1.0.1 (411) - Added on Dec 13, 2025

    x86_64

    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

    Download APK 9 MiB PGP Signature | Build Log

  • Version 1.0.1 (41) - Added on Dec 07, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 6.0 or newer.

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

    - fix the start screen setting
    - fix issue with biwapp alerts
    - fix the swapped coordinates of a subscription after a resubscribe
    - improve the notification workflow with a new self-check
    - add settings to switch between UnifiedPush distributors
    - other bug fixes
    Permissions

    Download APK 25 MiB PGP Signature | Build Log

  • New in version 1.0.0
    - Extensive overhaul of the app
    - Migration of the old APIs to the new FOSS Public Alert Server
    - Now with push notifications via UnifiedPush
    - Updated texts and translations
    - This update requires the app to be set up again
  • Version 1.0.0 (38) - Added on Sep 13, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    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

    Download APK 24 MiB PGP Signature | Build Log

  • Version 0.8.1 (33) - Added on Feb 09, 2025

    arm64-v8a armeabi-v7a x86_64

    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

    Download APK 23 MiB PGP Signature | Build Log

  • Version 0.8.0 (32) - Added on Jan 10, 2025

    arm64-v8a armeabi-v7a x86_64

    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

    Download APK 23 MiB PGP Signature | Build Log

  • Version 0.7.1 (31) - Added on Jul 15, 2024

    arm64-v8a armeabi-v7a x86_64

    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

    Download APK 22 MiB PGP Signature | Build Log

  • Version 0.7.0 (30) - Added on Jan 15, 2024

    arm64-v8a armeabi-v7a x86_64

    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

    Download APK 22 MiB PGP Signature | Build Log