Compare software

MathAudio Headphone EQdSONIQ Realphones
Freemium

Free as a foobar2000 component; VST, AU and CLAP plugin editions are paid.

 Paid

Paid plugin sold directly by dSONIQ.

Windows, macOS Windows, macOS
  • Free foobar2000 component lowers the barrier to entry
  • Includes a built-in test generator for measuring headphones
  • Aims specifically at making headphone mixing more trustworthy
  • Simulates multiple monitor environments
  • Full plugin format support requires paying for the VST/AU/CLAP edition
  • Windows and Mac only
  • Paid plugin with no free tier
  • Best suited to users who mix primarily on headphones
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

Checked September 22, 2026

Checked September 22, 2026

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