The best alternatives to Playlista are 22tracks 2.0, Playlist Machinery, and Jinx. If these 3 options don't work for you, we've listed a few more alternatives below.
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Find discovering new music hard? Jinx makes it easy It suggests songs based on what you are currently listening to, as well as your existing playlists in Apple Music. It also suggests daily curated playlists and includes a widget for quick access to your music
BeatMix enables you to shuffle or play the radio of multiple Spotify artists. Select your favorite artists on the website and BeatMix goes ahead and collects all the tracks from all your selected artists and puts everything in a new playlist for you to enjoy.
Quickmix analyzes your favorite tracks on Spotify and creates a playlist with your tastes in mind. It uses data collected from over 3 million playlists to determine which tracks fit each mood, activity, and your unique listening history. The result is a playlist curated just for you, right now.
Playlistify is a simple web app that allows you to quickly create Spotify playlists from concerts, DJ sets, radio shows, and other mixes available on setlist.fm and 1001tracklists.com.
Find the common songs you have with your group of friends by connecting your music accounts (Spotify and Apple Music supported). The app generates themed playlists you can then add to you library and listen with your friends! Everybody will love the music :)