Since no one is posting it, here are the names of each of these apps:

• S tier

  • Wefwef
  • Lemmy (not an app, just use Lemmy on your mobile's web browser)

• A tier

  • Connect for Lemmy (Android only)
  • Liftoff (Android, Windows, Linux, MacOS, and iOS (TestFlight))

• B tier

  • Jerboa (Android only)

• C tier

  • Summit (Android only)
  • ~~(I don't know the second C-tier app)~~ Lemmynade (this is the old name for Liftoff (thanks aDogCalledSport@lemmy.zip))

• D tier

  • Lemmotif (Android | iOS (Testflight))