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DigiCheck NGVoxengo SPAN
Free

Free download from RME, but it requires an RME audio interface.

 Free

Available without a software purchase.

Windows, macOS Windows, macOS
  • Hardware-based metering with minimal CPU load
  • Modular, resizable layouts saved as workspaces
  • Shows frequency spectra and signal statistics
  • Includes correlation and loudness metering
  • Only works with RME audio interfaces
  • Windows version is still in beta
  • Requires a compatible plug-in host.
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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