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Equalizer APO vs Easy Effects: catalog facts
Equalizer APO	Easy Effects
Free Free and open source under the GPL, distributed through SourceForge.	Free Free and open source under the GPL.
Windows	Linux
Works at the system level, so every application on a device is equalised Parametric and graphic filters, with no practical limit on bands	Around thirty effects including equaliser, compressor, convolver, limiter and noise reduction Effect order is fully under your control
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	Linux and PipeWire only Some effects need plugin packages that distributions do not install by default
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 21, 2026

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