Get emergency alerts from warnung.bund.de or alert.swiss

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Antivirus & safety scan results

Scan Date: Aug 30, 2026 Software Version: 1.1.1

Status: ✅ Trusted & Safe to install This app is signed by Nucleus with trusted and verified digital signature and it will updated existing FOSS Warn installations Certificate fingerprint: 0c04c3cfdb04bab5d3f482f5f3bd8b054bb62ffc Issuer: C=de, ST=Deutschland, L=Unknown, O=Unknown, OU=Unknown, CN=Nucleus How we verify APK files security

Android antivirus Status

K7GW Clean ✅

DrWeb Clean ✅

VirIT Clean ✅

ClamAV Clean ✅

Google Clean ✅

Ikarus Clean ✅

Lionic Clean ✅

Sophos Clean ✅

Yandex Clean ✅

Alibaba Clean ✅

Tencent Clean ✅

Xcitium Clean ✅

Fortinet Clean ✅

Kingsoft Clean ✅

Symantec Clean ✅

AhnLab-V3 Clean ✅

Kaspersky Clean ✅

Microsoft Clean ✅

Trustlook Clean ✅

ESET-NOD32 Clean ✅

Avast-Mobile Clean ✅

NANO-Antivirus Clean ✅

BitDefenderFalx Clean ✅

FOSS Warn Political and Social Activism app for Android description

(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.

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Screenshots & Video

Specifications

Package Name	de.nucleus.foss_warn
Requirements	Android 7.0 (Nougat API 24)
Author	Nucleus
APK Size	26.8 MB
Categories	Lifestyle, Political and Social Activism
Source Code	https://github.com/nucleus-ffm/foss_warn