Should point out that the theory gets causation completely backwards.

What makes Material Files better than Fossify’s file manager or even the stock one? It’s hard to tell from the F-Droid screenshots.

Also, seconding the AntennaPod and Syncthing-Fork recommendations. And to add more recs: Voice Audiobook Player, Breezy Weather, and Clock (by BlackHawky) are really good. Breezy Weather and Clock are by far the best apps of their types that I’ve used