Compare software

Metrolist vs Harmony Music: catalog facts
Metrolist	Harmony Music
Free Free and open source.	Free Free to download and use.
Android	Windows, Linux, Android
No ads during playback Offline caching of songs	No login or Google account needed No ads while streaming
Android only Unofficial client that depends on YouTube Music continuing to work with it	Depends on YouTube Music, which can break unofficial clients Not available in the official Google Play store
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.