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Koel vs Plexamp: catalog facts
Koel	Plexamp
Freemium The open-source server is free; Koel Plus is a paid edition with extra features.	Freemium Free to use, with some features reserved for paid Plex Pass subscribers.
Android, iOS, Web, Self-hosted	Windows, macOS, Linux, Android, iOS
Multi-user support with smart playlists and favourites Metadata editing and uploads from the web interface	Dedicated music player built around a Plex library Available on desktop and mobile platforms
Some features are reserved for the paid Koel Plus edition Requires running and maintaining your own server	Depends on a Plex Media Server holding your music Some features require a paid Plex Pass
Downloadable app, Self-hosted	Downloadable app
Open source	Closed 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.