I left Spotify about a year ago and have tried Tidal, Deezer, Qobuz, and Youtube Music. They all have equally worse UI/UX. The Tidal and Deezer apps on Windows were absolute dogshit and would constantly bug out, randomly stop playing, freeze, take ages to load, etc. YTM's UI is awful, and it does not use your liked/saved songs and albums for its recommendations if your Youtube history is turned off, which isn't explained anywhere that I could find. Just absolutely baffling product design decisions all over the place.
I'm blown away by how much all the big music streaming apps suck. Music player UIs were a solved problem 20 years ago.
More and more now I'm using Bandcamp, Subvert, local music enthusiast Discord servers, and even Reddit to discover new music. It's a giant pain in the ass, but it's still less unpleasant than the apps.