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Loopback vs BlackHole: catalog facts
Loopback	BlackHole
Paid Requires a paid license or subscription. Trial availability and licensing depend on the…	Free Free and open source. Hosting, hardware and any external services are separate.
macOS	macOS
Provides a visual audio-routing interface Routes sources into virtual devices for other apps	Provides virtual audio input and output channels Works with macOS audio routing
Requires a paid license and macOS audio permissions.	Requires configuration in the participating applications or Audio MIDI Setup.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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