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Youlean Loudness MeteriZotope Insight 2
Freemium

Free version available, with a paid Pro version.

 Paid

Commercial plugin sold by iZotope.

Windows, macOS Windows, macOS
  • Measures LUFS, LKFS, LRA and PLR
  • Works as a standalone app and as a plugin in most DAWs
  • Covers loudness standards needed for streaming and broadcast delivery
  • From an established audio software maker
  • Some features need the paid Pro version
  • No Linux version
  • Paid plugin aimed at professional workflows
  • Adds another metering tool alongside a DAW's built-in meters
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 October 2, 2026

Checked September 22, 2026

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