There are tons of options out there. Phoenix, Breez, OBW, and Blixt Wallet.

Blixt Wallet is probably my favorite one since it gives you the full power of an LND node on your phone. Phoenix is a little easier for noobs since it manages channels for you.

The only good thing to use Muun for are for when you actually need to make a submarine swap, but keep in mind it’s expensive sometimes for that.