The best alternatives to Lemonade are Replace Cover, Playlist Machinery, and Replayify. If these 3 options don't work for you, we've listed a few more alternatives below.
Replace Cover is a little tool that enables anyone to create consistent cover arts for their Spotify playlists. Works with other music services too. Backstory: I'm a product designer who wanted to learn React.js, so I spent some evenings & a couple weekends learning, building & shipping this app over the course of 10 days. Should designers code?