Lightning it's more tricky than onchain. I personally keep my btc in cold storage and just keep a small amount in WoS, they have your funds but it's ok and the easiest for beginners, if something happens to WoS I'm ok if I loose 10 usd or something. Most ppl here in Nostr go with WoS for some reason. But try a few and check which one you like most, but in my opinion avoid keeping a big ammout in a LN wallet.