Have you tried using Mastodon, Pixelfed, PeerTube, BookWyrm etc through web apps yet?

Web apps are sophisticated websites that can be installed on your phone or tablet, and once installed they act like apps (for example they can use your phone's notifications).

They're very easy to install and use, easier than app stores!.There's a complete guide here:

➡️ https://fedi.tips/how-to-install-web-apps-for-mastodon-and-the-fediverse/

Web apps aren't just bookmarks any more. If you haven't tried them lately, this might be a good time to have a go.