Moodset is an AI-powered mood tracking app that uses the circumplex model of affect to score emotions based on valence and arousal. The app lets you log your moods on a visual mood map, see your emotional history, and build playlists based on the mood you want to be in. It synchronizes data across multiple devices and stores data and encrypts it, so it's a good tool for self-awareness and emotional control.
Another good option is PlaylistAI. The AI-powered music playlist generation service integrates with big music services like Spotify and Apple Music. You can build playlists on the fly by typing in phrases that describe your mood or preferences. It also offers smart suggestions based on the time of day, custom playlists and blending of different genres, so it's good for a lot of different situations where you want to build your own music.
If you're a serious Spotify user, Playlistable is a good way to build playlists based on your current mood or favorite artists. It uses your Spotify listening history to build a personalized playlist, and you can add or remove songs to keep it to your liking. With Song Match and Artist Match tools, you can discover new music while keeping control over your playlists.