Mac audio guides and comparisons
Short guides to per-app volume, muting single apps and playing sound on two outputs on a Mac, plus fair comparisons with other audio apps.
Guides
How to change the volume of individual apps on a MacmacOS has one volume slider for everything. These are the ways to give each app its own volume, from built-in controls to a free menu bar app.How to mute a single app on a MacThe mute key silences the whole Mac. Here is how to mute one app, a browser tab or an app's notification sounds while everything else keeps playing.How to play sound through two outputs at once on a MacSend your Mac's sound to speakers and headphones at the same time with a Multi-Output Device, and what to expect from Bluetooth and AirPlay delay.How to play audio on multiple outputs in sync on a MacPlay a Mac’s sound on speakers, a TV and headphones at once without an echo. How Levels lines up outputs with different delays, and its limits.
Comparisons
Levels vs SoundSource: per-app volume on Mac comparedSoundSource is the most complete paid audio tool for the Mac. Levels is free and does less. A fair comparison of price, features and requirements.Levels vs Background Music: free per-app volume apps for MacBoth are free and open source. Background Music installs a virtual audio device, Levels uses Apple's process taps. How they differ and which to pick.