good music machine vs Jamio

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/

Jamio is a fast, swipeable feed of music that learns what you love. Each track instantly plays its best, most memorable part, so you know within seconds if it fits your music taste. Double-tap to like, and save favorites to your Apple Music library with a single tap. The more you interact, the smarter your feed gets, so you spend less time searching for songs you might like, and more time enjoying the ones you love. Why you’ll love it • Instant discovery: Vertical feed of bite-size music moments, just swipe. • Best part first: Every song starts at its catchiest, most memorable section. • Smarter over time: Likes refine your recommendations. • One-tap saving: Add any song to your Apple Music library right from the feed. • Follow your taste: See similar artists and related tracks as you explore.