Best for Anyone who wants per-app EQ, effects or Audio Unit plug-ins.
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Stat Space vs SoundSource
A SoundSource alternative for per-app volume
SoundSource is the most capable per-app audio control on the Mac: volume, output routing, EQ and Audio Unit effects for each app. Stat Space covers per-app volume, mute and routing for free, using Apple’s process taps, inside a system monitor.
Best for Developers who want system stats plus ports, agents and keep-awake in one light menu bar app.
Stat Space SoundSource
Per-app volume & mute 0–150 %
Send an app to another output
Volumes remembered per app
Per-app EQ & effectsAudio Units, Magic Boost —
Output & input device switching
Price Free Paid
System monitor, ports & agents —
macOS 14.2+ 15+ (legacy builds for older)
Intel Macs —
Where SoundSource shines
- Per-app EQ, Headphone EQ, Magic Boost and Audio Unit plug-ins, per app or system-wide.
- Deep control over devices and routing, from a company that has made Mac audio tools for over twenty years.
- Polished, and supported with legacy versions for older macOS.
What Stat Space adds
- Per-app volume for free, with no driver or kernel extension: it uses Core Audio process taps.
- A tap only runs for an app that isn’t at 100 %, muted or rerouted, and only while it plays.
- Which app is using your microphone, and which app made the last 10 sounds.
- The rest of a system monitor, plus ports, agents and keep-awake, in the same menu bar item.
Use both?
If you rely on SoundSource’s effects, keep it and leave Stat Space’s sliders at 100 %, so only one app adjusts each app’s audio. Stat Space’s mic indicator and recent sounds still work alongside.
As of November 2026. Spotted something out of date? Email [email protected] and we’ll fix it.
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Know what your Mac is doing, without adding to it.
Free, no account. Pro is $9.99 once for the first 100 buyers.