Don't forget Connect! It's probably the most complete Lemmy app right now. The "About Instance" function is amazing for getting a list of communities on a given instance with actual working links for subscribing.
Tried Jerboa, Sync and Thunder (and Artemis + web app for kbin).
Sync seems the most polished because it came from Reddit, but the fact that you can't post in Sync right now makes it really hard to dig in and dedicate to it.
Thunder feels like a more polished version of Jerboa, but I'm not a huge fan of the Material You design and big iconography in any of these apps (I came from RIF, so I'm used to basically early 2010s UI, lol).
Artemis is unevalautable right now given its severe alpha state.
And of course, lemmy.world is having connection issues, so none of the apps really "work" right now, no fault of their own. At least Thunder seems to cache old data, since it's populated when I open it, versus Sync which can't make a connection.
Rn the state of Infinity for Lemmy feels mostly complete (aside from a few expected bugs built from being a fork working with a totally different API), but besides that, the app is absolutely fire. I was a heavy IfR user in the past and it even convinced me to make an account (I was mostly a lurker) but when spez starting treating 3rd party devs like shit I gtfo there, just hoping that docille or another dev would have forked infinity and yet, here we are.
How does Infinity compare to Sync ? I'm considering switching clients since my having paid for Reddit Sync Pro does not entitle me to Lemmy Sync's "remove ads" (I still have to pay 16e, which is way too much).