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SPECIFICTION
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Harmony Pro

harmonylabaudio.com

Free plan WebWindowsmacOS
Visit harmonylabaudio.com
Spec score 7.4 #8 of 29 in AI Chord Progression Generators

What it is

Harmony Pro helps composers and producers explore chord possibilities while a piece takes shape. Its suggestion engine offers Balanced, Conservative, Exploratory, and Jazz Expert profiles, with controls for richness, boldness, modal character, continuity, exploration, and style fit. A progression workspace includes key detection and playback. Users can inspect harmony in keyboard, guitar, and sheet views, and use scale and common-tone controls, reverse chord lookup, a progression generator, and a voicing explorer. Chord audio playback is available. Harmony Pro runs on macOS, Windows, and the web. On macOS and Windows, it is available as AU and VST3 plugins; the maker says the VST3 version is intended for Ableton Live. The maker says the app has no AI. It may ask permission to send minimal usage statistics and technical data, while stating that musical content is not transmitted. Users can change this choice at any time. The listed plan is free.

Spec sheet

Purpose
Harmony Pro helps composers and producers explore harmonic possibilities as music takes shape.Read 5 Oct 2026 · harmonylabaudio.com
Ableton Live
A maker response says the product includes a VST3 version specifically intended for Ableton Live.Read 5 Oct 2026 · kvraudio.com
Chord suggestions
The suggestion engine offers chord possibilities for exploring a progression.Read 5 Oct 2026 · harmonylabaudio.com
Harmony views
The app provides keyboard, guitar, and sheet views, plus scale and common-tone controls.Read 5 Oct 2026 · harmonylabaudio.com
Maker identity
The product site identifies the maker as Harmony Lab Audio; the pages opened did not state its headquarters or founding date.Read 5 Oct 2026 · harmonylabaudio.com
No generative AI
The maker says Harmony Pro has no AI in the app.Read 5 Oct 2026 · harmonylabaudio.com
Optional usage statistics
The app asks permission to send minimal usage statistics and technical data, says musical content is not transmitted, and lets users change this choice at any time.Read 5 Oct 2026 · harmonylabaudio.com
Plugin formats
Harmony Pro is available for macOS and Windows as AU and VST3 plugins.Read 5 Oct 2026 · kvraudio.com
Progression tools
The app includes key detection, playback, and a progression workspace.Read 5 Oct 2026 · harmonylabaudio.com
Suggestion controls
The suggestion engine includes Balanced, Conservative, Exploratory, and Jazz Expert profiles, plus controls for richness, boldness, modal character, continuity, exploration, and style fit.Read 5 Oct 2026 · harmonylabaudio.com

Plans and prices

Harmony Pro Free Free Free · macOS and Windows Read 5 Oct 2026 · harmonylabaudio.com

Every Harmony Pro plan and price →

Strong points and limits

Strong points

  • Four profiles shape chord suggestions.
  • Includes keyboard, guitar, and sheet views.
  • Offers reverse chord lookup and voicing exploration.
  • Chord audio playback is available.
  • Listed plan costs nothing.

Limits

  • Usage statistics and technical data may be sent with permission.
  • Plugin formats are listed for macOS and Windows.

Who it suits

It suits composers and producers who want chord suggestions and multiple ways to inspect or explore progressions. It is available on the web and as AU or VST3 plugins for macOS and Windows.

Verdict

Harmony Pro provides suggestion controls and several views for exploring progressions. The maker says it has no AI and that musical content is not transmitted with optional usage statistics.

Where Specifiction places it

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