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Harmonoid vs Swinsian: catalog facts
Harmonoid	Swinsian
Free Downloads are offered from the website and GitHub releases with no price listed.	Paid Paid Mac app.
Windows, macOS, Linux, Android, iOS	macOS
Runs on desktop and mobile platforms Broad format support through mpv and FFmpeg	Plays FLAC, Vorbis and WMA natively on macOS Batch tag editing with regex find and replace
Focused on music, not video License terms are not stated on the homepage	macOS only Local library player without a streaming service
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account 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.