According to the tracking scanner Exodus (can be found on F-Droid), which keeps an updated database on trackers and runs your installed app against its register, you can track what apps are tracking you and clues of how. Saw that Boost is tracking me and uninstalled it and went straight to Jerboa. Jerboa is pretty similar to good ole’ RedditIsFun-app and easy to use, so I am personally recommending it.
From F-Droid:
Exodus (Exodus show you trackers and permissions in apps installed on your device.) https://f-droid.org/packages/org.eu.exodus_privacy.exodusprivacy/
I downloaded Sync the first day he released it. It had a few bugs, but he was very active at the time and seemed to clean them up quickly. I made a post in his community about a problem with comment sorting and he resolved it the very next day!
So yeah, I glady paid for what I thought was a pretty good app (still is without the unread issue). Since then I’ve gone back to Voyager, which is ok but still has some quirks that make me miss Sync. Might give Thunder a shot.