good music machine vs Playlist Forge

good music machine is made for people who love a well organized library and wish the column browser was available on iOS. - Play music in your local or cloud library
- Play mp3 or m4a files in a local or iCloud drive folder
- A folder of files uses the files’ metadata to build your library.
- iCloud files can be downloaded to your device for offline play. - Supports CarPlay - Uses logical columns (genre, album, artist) for finding your music - You can search any of the lists - You can turn off the genre column - Optionally you can filter using an additional composer column for classical music (or any genre you prefer) - You can browse your albums by album art or just text If you have questions, comments, feedback or found a bug, feel free to contact me! Note: good music machine is not entirely free. 
The first 25 artists for both the music library or a folder of files are free.
If you want to use a bigger library you can take a subscription for $0,99 per year with a 1 month trial for new users. 
Using a subscription model supports future development. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Playlist Forge is where you build playlists on Apple Music and share them with a community that actually listens. Pick any artist and Playlist Forge builds a playlist around them — just their songs, or a mix that trees out through similar artists. Lean toward the hits or dig for deep cuts, set the length and a release-year range, preview every track, then save it straight to your Apple Music library. BUILD Start from any artist. Choose "just this artist" or "artist + similar," pick Hits or Deep cuts, set the length and years, preview the songs, and save to your library in a tap. DISCOVER Browse playlists made by real people, add any of them to your library instantly, and follow the curators whose taste you trust. Likes, adds, and comments help the good stuff rise, and you can search across every playlist and person. MAKE IT TOGETHER Start a community playlist and let others add songs. Turn on song voting so the crowd thumbs each track up or down for fit. CHALLENGES Host your own themed challenge or enter someone else's, then let the community vote for a winner. Several can run at once, so there's always something to jump into. BOOST Give a playlist you're proud of a spotlight — pin it to the top of Discover for a day so everyone finds it. STAY IN THE LOOP Get notified when someone follows you, when your playlist hits a milestone, or when a new challenge drops. Playlist Forge is your library, your taste, together with everyone else's. Requires an Apple Music subscription to build and save playlists. Sign in with Apple to post, comment, follow, and vote. Boost and Host a Challenge are optional one-time in-app purchases. Your data is yours — delete your account and everything in it any time from your profile. Questions? 14nicholas.martin@gmail.com