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Plexamp vs mStream: catalog facts
Plexamp	mStream
Freemium Free to use, with some features reserved for paid Plex Pass subscribers.	Free Free and open source, supported by sponsorships.
Windows, macOS, Linux, Android, iOS	Android, Web, Self-hosted
Dedicated music player built around a Plex library Available on desktop and mobile platforms	Runs on low-power hardware like a Raspberry Pi Remote access without port forwarding
Depends on a Plex Media Server holding your music Some features require a paid Plex Pass	Music only Requires keeping your own server running
Downloadable app	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account 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.