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Equalizer APO vs eqMac: catalog facts
Equalizer APO	eqMac
Free Free and open source under the GPL, distributed through SourceForge.	Freemium Free basic and 10-band equalizers; mixer, parametric EQ and other features require Pro.
Windows	macOS
Works at the system level, so every application on a device is equalised Parametric and graphic filters, with no practical limit on bands	Equalizes all system audio, not a single player Headphone reference presets for thousands of models
Applications using ASIO or WASAPI exclusive mode bypass it entirely The native interface is a text configuration file; sliders need the separate Peace front end	Many advanced features are Pro-only macOS only
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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