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Sound Control vs Boom 2: catalog facts
Sound Control	Boom 2
Paid Paid licence with a free trial, or a subscription through the Mac App Store.	Paid Free trial; licenses for two Macs cost USD 12.90 for six months, 18.30 a year or 43.20…
macOS	macOS
Separate volume, balance and EQ for each app Hosts Audio Unit effects per app and output device	System-wide 31-band equalizer Volume boost for quiet Mac speakers
Mac only Direct and Mac App Store purchases are not interchangeable	macOS only Paid after the trial
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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