monoPlayer is described as 'The first software release from monohex software: a new, more powerful music player for macOS. monoPlayer is designed for music enthusiasts who own their music, and it supports a wide range of formats — including lossless formats such as FLAC and APE' and is a Audio Player in the audio & music category. There are more than 50 alternatives to monoPlayer for a variety of platforms, including Windows, Linux, Android, Mac and F-Droid apps. The best monoPlayer alternative is foobar2000. It's not free, so if you're looking for a free alternative, you could try foobar2000 or AIMP. Other great apps like monoPlayer are MusicBee, Winamp, Audacious and Strawberry.