this post was submitted on 23 Oct 2023
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F-Droid

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F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.

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I have installed Davx5 from F-Droid, from IzzyOnDroid Repo. Today I have checked for updates with the Google playstore and the App was updated to the playstore variant. I thought this isn't possible? What's going on here?

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[โ€“] [email protected] 0 points 1 year ago (1 children)

The apps on IzzyOnDroid are built by the original developers and likely signed with the same key as the version on Google Play. As a result, Google is able to update them. Apps in the official F-Droid repository are signed by F-Droid. As a result, the keys are different and won't be updated by the version from Google.

[โ€“] [email protected] 1 points 1 year ago* (last edited 5 months ago)

It can also happen with apps from the main repo. If the app is reproducible (about 5% so far, most new apps) then F-Droid will use the developer signature.