this post was submitted on 17 Nov 2025
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Sounds like a really good reason not to use Obtainium, if any repo you have tracked for updates can just redirect you to a completely different repo If they have the keys - and throw no complaints when updating to an entirely different apk.
With F-Droid they at least have to have the same signing keys, and the code is built by F-droid from source - meaning the code for the supplied APK always matches the code on the repository for the build. Whereas Obtainium will just offer you any APK the dev releases on their GitHub/Gitlab/etc, this places much higher trust on the dev.
Edit:
my bad, I wrote earlier that all F-droid builds are reproducable. But that's not accurate F-droid does not enforce that all builds must be reproducible. They have been helping devs with the tools and assistance to do so since 2015, and all the apps that I use I'd checked in the past and are all using reproducable builds, so I wrongly presumed it was mandatory now. Eg, Syncthing-Fork from Catfriend has had all builds reproducible since v2: https://verification.f-droid.org/packages/com.github.catfriend1.syncthingfork/
that's not a requirement. or was it already being built reproducibly?
Every Catfriend build since v2 has been reproducable. Most apps on F-Droid are and they are encouraging it for all devs, to build trust.
https://verification.f-droid.org/packages/com.github.catfriend1.syncthingfork/