APU Software

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Latest installers and user manuals.

Loudness Series v5.3.0

Choose your operating system to download the latest installer below.

MacOS Windows

Need Windows 32-bit (x86)?

This installer includes all the latest APU Software plug-ins and applications. See the individual product download sections below for separate installers, supported software formats, and user manuals.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.

Loudness Meter v5.3.0

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MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Loudness Compressor v5.3.0

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Dynamics Optimizer v5.3.0

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application.

Loudness Limiter v5.3.0

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Spectrum Analyzer v5.3.0

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Loudness Contour v5.3.0

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

TrueGain v5.3.0

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Release Notes

Version 5.3.0

  • Fix units on visualization range (spectrum/contour/truegain)
  • Core performance improvements
  • Timing engine accuracy improvements
  • Fix mouse hit detection with UI scaling enabled
  • Improve popup look and feel within certain DAWs

    Version 5.2.3

  • Minimal CLI interface for standalone applications
  • Display source signal during sidechain

    Version 5.2.2

  • Fix macOS small icon (macOS)
  • Improve multi-channel spectral rendering accuracy (spectrum/contour/truegain)
  • Fix LUFS surround/Atmos channel weighting and LFE exclusion

    Version 5.2.1

  • Pause auto-range during threshold dragging (meter/compressor/optimizer/limiter)

    Previous release notes …