Compare software

Plexamp vs K-19 Player: catalog facts
Plexamp	K-19 Player
Freemium Free to use, with some features reserved for paid Plex Pass subscribers.	Free Free and open source under GPL-3.0-only.
Windows, macOS, Linux, Android, iOS	Android
Dedicated music player built around a Plex library Available on desktop and mobile platforms	Works with OpenSubsonic-compatible servers Includes background audio
Depends on a Plex Media Server holding your music Some features require a paid Plex Pass	Requires an OpenSubsonic-compatible music server
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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