Lemmy is really new, so I'm pretty sure Jerboa is the only app currently.
That said, development is ongoing, and I heard someone was developing a reddit api-like toolfor lemmy, so the old reddit apps will work with lemmy. I don't know how true that is though, unfortunately. It would be awesome if true.
I've been registered on Lemmy for ~2 years now. It went from this place where a few people chatted, to getting federation, then integrating with Mastodon, then they started working on an Android app, things were really chill.
Then last month it got 100x more popular, and it feels like a third of all Lemmy development happened this month too
There are a handful of alternatives but they're nowhere near as mature or feature complete as Jerboa, and most are a few days/weeks old at most! There's also an old app that was abandoned a while ago and probably doesn't work anymore.
I've thought about building a cross platform app to work on desktop and mobile (mostly to work on PinePhone and Steam Deck), but then I decided I probably don't have time to really deliver it so I'm working on Jerboa.
Once that gets mostly usable, I might build my own. IDK, I guess we'll see. If anyone is interested in working on it, maybe I'll get motivated to give it a go. The plan would be React Native or Flutter (haven't decided which), I'm down with either, though my preference is React Native.
I'm pretty sure you won't have any luck with Lemmur since it's been discontinued and there are still API breaking changes being made to Lemmy. So an app last updated 10 months ago will have a hard time communicating with any Lemmy instance.
Not yet. Several in the works, if you scroll around a bit.
If you don't like jerboa, I've found that hermit works fairly well compared to a regular browser. You can create pseudoapps for a given instance, and have whatever full features the web version has with a little less lag and no real downside. However, it also doesn't add anything useful beyond that, and jerboa is being worked on fairly fast right now.