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