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Swinsian vs Petrichor: catalog facts
Swinsian	Petrichor
Paid Paid Mac app.	Free Free and open source.
macOS	macOS
Plays FLAC, Vorbis and WMA natively on macOS Batch tag editing with regex find and replace	Plays over 40 audio formats including FLAC and ALAC Browse by artist, composer, genre, decade or year
macOS only Local library player without a streaming service	macOS only Requires macOS 14 or later
Downloadable app	Downloadable app
Closed source	Open 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 October 1, 2026

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