FOSS Warn
Receive emergency alerts worldwide
- Developer
- Nucleus
- License
- GPL-3.0-only
- Package
de.nucleus.foss_warn- Category
- Emergency Action, Internet, Sports & Health
- Latest version
- 1.1.1 · Sep 2, 2026
- Minimum Android
- Android 7.0
Screenshots
Description
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.
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.
All versions
| Version | Released | Minimum Android | Size |
|---|---|---|---|
| 1.1.1 (3 builds) | Sep 2, 2026 | Android 7.0 | 10 MB |
| 1.0.1 (4 builds) | Dec 13, 2025 | Android 6 | 9.7 MB |
| 1.0.0 | Sep 13, 2025 | Android 6 | 24.7 MB |
| 0.8.1 | Feb 9, 2025 | Android 6 | 23.6 MB |
| 0.8.0 | Jan 10, 2025 | Android 6 | 23.6 MB |
| 0.7.1 | Jul 15, 2024 | Android 6 | 22.1 MB |
| 0.7.0 | Jan 15, 2024 | Android 6 | 22.1 MB |
| 0.6.1 | Nov 29, 2023 | Android 6 | 21.7 MB |
| 0.6.0 | Nov 11, 2023 | Android 6 | 21.7 MB |
| 0.5.1 | Feb 22, 2023 | Android 6 | 20.7 MB |
| 0.5.0 | Feb 3, 2023 | Android 6 | 45.6 MB |
| 0.4.6 | Nov 28, 2022 | Android 6 | 44.4 MB |
| 0.4.5 | Nov 12, 2022 | Android 6 | 44.4 MB |
| 0.4.3 | Oct 5, 2022 | Android 6 | 43.1 MB |
| 0.4.2 | Sep 16, 2022 | Android 6 | 43.1 MB |
| 0.4.1 | Aug 26, 2022 | Android 6 | 43.1 MB |
| 0.3.0 | Jul 5, 2022 | Android 6 | 42.9 MB |
| 0.2.9 | Mar 12, 2022 | Android 5.0 | 19.3 MB |
| 0.2.8 | Feb 28, 2022 | Android 5.0 | 19.3 MB |
| 0.2.7 | Feb 22, 2022 | Android 5.0 | 19.4 MB |
| 0.2.6 | Feb 22, 2022 | Android 4.1 | 19.3 MB |
How to install an older version of an Android app · How to install an APK file on Android
From the developer (GitHub)
APK files published by the developer on GitHub. They are signed by the developer and may not install over the other builds on this page (different signature). Links open github.com.
1.1.1
· Aug 30, 2026
FOSSWarn-1.1.1-arm64-v8a-release.apk
10 MB FOSSWarn-1.1.1-armeabi-v7a-release.apk
9.6 MB FOSSWarn-1.1.1-release.apk
26.8 MB FOSSWarn-1.1.1-x86_64-release.apk
10.2 MB 1.1.0
· Aug 23, 2026
FOSSWarn-1.1.0-arm64-v8a-release.apk
10.2 MB FOSSWarn-1.1.0-armeabi-v7a-release.apk
9.8 MB FOSSWarn-1.1.0-x86_64-release.apk
10.4 MB FOSSWarn-1.1.0.apk
27 MB pre-1.1.0-alpha_2
Pre-release · May 20, 2026
FOSSWarn-1.1.0-alpha_2-arm64-v8a-release.apk
10.1 MB FOSSWarn-1.1.0-alpha_2-armeabi-v7a-release.apk
9.7 MB FOSSWarn-1.1.0-alpha_2-general-release.apk
26.7 MB FOSSWarn-1.1.0-alpha_2-x86_64-release.apk
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