While reading through the comments here, I've been thinking about doing this exact thing, in particular with Instagram. It's the main platform for me to stay in touch with (mostly overseas) friends, but I have the tendency to get stuck in the suggested posts and waste too much time there.

Ideally, I'd like to have an app for Instagram which has ONLY posts from people I follow (and messaging). No suggested posts, no ads, no reels. I don't think even things like Instagram++ can do this though, unfortunately.