Is Presence Publisher safe?

This free open-source app regularly publishes to a configurable MQTT topic whenever connected to a given Wi-Fi network or in proximity to a Bluetooth beacon. It can be used to integrate the presence of your phone in home automation. The app uses the AndroidX WorkManager library, so notifications are sent even if the phone is in stand-by. In addition to regularly scheduled checks, the app also rea…

Developer: ostrya
Category: Connectivity
Earliest archived version: 26 Nov 2025
License: MIT (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

26 Nov 2025

2.7.0

solved issues when connecting to multiple Wi-Fis • UI supports insets for camera and navigation bar Important: The content of message connectedWifi is now a list. Modern Android versions can be connected to multiple Wi-Fis at once.

Full notes →

03 / Package identity

Technical fingerprint

Application IDorg.ostrya.presencepublisher

Latest APK SHA-256f14167fdaac5940cfa29665e1b4cf561c11f5120d91adf9bed64a9e54c28a5cb

Signing certificateE0:5D:CA:37:9F:66:DD:2A:D0:49:83:1D:49:7A:4B:E3:B8:4C:24:A8:73:60:B3:29:DB:67:FE:3B:AA:77:02:B4

MIN ANDROID21TARGET36ARCHITECTURE

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

2.7.026 Nov 202521+→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions17 declared · 3 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessACCESS_BACKGROUND_LOCATIONACCESS_COARSE_LOCATIONACCESS_FINE_LOCATION

Declared permissions

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗