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Caldera Amp vs Plexamp: catalog facts
Caldera Amp	Plexamp
Free Downloads are offered without a listed price; a Plex music server is needed.	Freemium Free to use, with some features reserved for paid Plex Pass subscribers.
Windows, macOS, Linux	Windows, macOS, Linux, Android, iOS
Built-in MilkDrop visualizer in its own window Plays lossless formats up to 24-bit/384 kHz	Dedicated music player built around a Plex library Available on desktop and mobile platforms
Only works with Plex music servers Driven from Plexamp rather than a full library window	Depends on a Plex Media Server holding your music Some features require a paid Plex Pass
Downloadable app	Downloadable app
Closed 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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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