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PairPods vs Airfoil: catalog facts
PairPods	Airfoil
Free Free to download, with optional sponsorship through GitHub Sponsors.	Paid Paid app from Rogue Amoeba, with a free download to try before purchase.
macOS	macOS
Shares audio across two or more Bluetooth devices at once Independent volume for each device	Sends audio from any Mac app, not only apps with built-in casting Plays to several speakers of different types in sync
macOS only, requires macOS 13.5 or later Still a pre-1.0 release	The sending app runs on macOS only Paid software
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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