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Room EQ WizardAUDio MEasurement System
Free

Available without a software purchase.

 Free

Free and open source under GPL-2.0 or GPL-3.0.

Windows, macOS, Linux Windows, macOS, Linux
  • Generates test signals and measurement plots
  • Supports acoustic analysis workflows
  • Includes a tone generator, oscilloscope and spectrum analyzer
  • Can plot frequency response and display harmonic distortion
  • Accurate acoustic measurements require a suitable microphone and calibration.
  • Requires a computer sound card
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-2.0-or-later
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

Checked September 22, 2026

Checked October 8, 2026

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