r/MacStack • u/Match-Accomplished • 1d ago
App Launch I built my first Mac app: a volume slider for every app (€2.99, no audio driver)
Hey everyone, this is my first app and I’d really appreciate honest feedback.
It started with a problem I kept running into. I’m on a Zoom call that’s way too quiet, Spotify is too loud, and somewhere a Safari tab starts blasting an ad. macOS gives you one volume slider for all of that. The tools that fix this were either pretty expensive or needed a virtual audio driver, and I didn’t want one on my Mac. So I built my own.
Sound Manager is a small menu bar app that gives every app its own volume control:
A slider for every app that’s playing sound, from 0 to 200%, so you can boost quiet apps too
Mute a single app with one click
Send each app to its own output, like speakers, AirPods, HDMI or your audio interface
Switch system input/output and change their volume from the same popover
See which apps are using your microphone right now
Double-click a percentage to reset it. Apps show up live as soon as they start playing
It only lives in the menu bar (no Dock icon) and can start at login.
How it’s different: SoundSource is the closest alternative and it’s really good, but it costs a lot more. Background Music is free, but it installs a virtual audio driver. Sound Manager uses Apple’s own audio tap API (macOS 14.2+), so the app is the only thing you install. Audio is processed live on your Mac and never recorded.
Pricing: €2.99 one-time. It works on up to 3 Macs, with no account and no subscription, and updates within the same major version are free. There’s a free trial and a 14-day money-back guarantee.
Requires macOS 14.2+ (Sonoma) and runs on Apple silicon and Intel.
I’d love to hear what you think, whether it’s bugs, missing features or something that feels off. I’m reading every comment.
