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Blue Cat's FreqAnalystiZotope Insight 2
Free

Available without a software purchase.

 Paid

Commercial plugin sold by iZotope.

Windows, macOS Windows, macOS
  • Provides real-time spectrum analysis
  • Supports common desktop plug-in formats
  • Covers loudness standards needed for streaming and broadcast delivery
  • From an established audio software maker
  • Requires a compatible audio plug-in host.
  • 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 September 22, 2026

Checked September 22, 2026

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