Compare software

Sound SiphonBlackHole
Paid

Paid, with a free trial; also offered as a Mac App Store subscription.

 Free

Free and open source. Hosting, hardware and any external services are separate.

macOS macOS
  • Captures audio from specific apps only
  • Virtual microphones usable in other audio apps
  • Provides virtual audio input and output channels
  • Works with macOS audio routing
  • macOS only
  • Mac App Store version needs an additional download for virtual inputs
  • 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

Checked October 2, 2026

Checked September 22, 2026

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