Yeah, nah.

Obtainium's currently supported App sources:

Open Source - General:

GitHub

GitLab

Codeberg

F-Droid

Third Party F-Droid Repos

IzzyOnDroid

SourceForge

SourceHut

Other - General:

APKPure

Aptoide

Uptodown

APKMirror (Track-Only)

Huawei AppGallery

Jenkins Jobs

Open Source - App-Specific:

Mullvad

Signal

VLC

Other - App-Specific:

WhatsApp

Telegram App

Neutron Code

"HTML" (Fallback): Any other URL that returns an HTML page with links to APK files

There's more sketchiness there than on F-Droid, and a lot less automated testing.

Not doubting the reality of censorship on F-Droid, but they have a domain name and an address they don't want smashed in by Feds at 6am on a Friday.

App stores are custodial, and so are nearly all repositories. Git over Nostr would be a better start...