Compare software

ViPER4AndroidMathAudio Headphone EQ
Free

The open-source software is available without a license fee.

 Freemium

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

Android Windows, macOS
  • Processes audio from every app, not just one player
  • Convolver supports impulse responses for headphone correction
  • Free foobar2000 component lowers the barrier to entry
  • Includes a built-in test generator for measuring headphones
  • Requires root and a Magisk module install
  • Configuration is overwhelming and easy to make sound worse with
  • Full plugin format support requires paying for the VST/AU/CLAP edition
  • Windows and Mac only
Downloadable app Downloadable app
Open 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.