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MathAudio Room EQ vs SoundID Reference: catalog facts
MathAudio Room EQ	SoundID Reference
Freemium The foobar2000 edition is free; the VST/AU edition requires a license.	Paid Requires a paid license or subscription. Trial availability and licensing depend on the…
Windows, macOS	Windows, macOS
Provides room-correction processing Offers a foobar2000-specific edition	Offers headphone correction profiles Supports speaker calibration workflows
A measurement microphone is needed; licensing differs between editions.	Speaker calibration needs suitable measurement hardware.
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	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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