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Plexamp vs Koel: catalog facts
Plexamp	Koel
Freemium Free to use, with some features reserved for paid Plex Pass subscribers.	Freemium The open-source server is free; Koel Plus is a paid edition with extra features.
Windows, macOS, Linux, Android, iOS	Android, iOS, Web, Self-hosted
Dedicated music player built around a Plex library Available on desktop and mobile platforms	Multi-user support with smart playlists and favourites Metadata editing and uploads from the web interface
Depends on a Plex Media Server holding your music Some features require a paid Plex Pass	Some features are reserved for the paid Koel Plus edition Requires running and maintaining your own server
Downloadable app	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License not stated
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 September 23, 2026

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