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Symfonium vs Harmonoid: catalog facts
Symfonium	Harmonoid
Paid One-time purchase with a free trial on Google Play; no subscription.	Free Downloads are offered from the website and GitHub releases with no price listed.
Android	Windows, macOS, Linux, Android, iOS
Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ	Runs on desktop and mobile platforms Broad format support through mpv and FFmpeg
Android only Paid after the trial	Focused on music, not video License terms are not stated on the homepage
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	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.