Harmony Pro

Web · Windows · Mac

Freedom report

Three barsScore 6.5

  • Free tierA free tier is on its own pricing page
  • Open codeNo open-source code on record
  • Runs widely3 of 6 device platforms
  • DocumentedPlans, terms and facts published

Harmony Pro helps composers and producers explore chord possibilities while shaping a progression. Its suggestion engine includes 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, while keyboard, guitar, and sheet views show harmony in different forms. Scale and common-tone controls, reverse chord lookup, a progression generator, and a voicing explorer provide additional ways to work with chords; chord audio playback is also available. Harmony Pro runs on macOS, Windows, and the web. On macOS and Windows, it is offered as AU and VST3 plugins, including a VST3 version intended for Ableton Live. The maker says the app contains 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 free plan is 0.00 USD per free.

Who it is for

Harmony Pro suits composers and producers who want to examine chord options, progressions, and voicings. It also fits users working in Ableton Live with its VST3 version.

What is good

  • Offers four suggestion profiles and several controls
  • Includes keyboard, guitar, and sheet views
  • Provides reverse chord lookup and voicing exploration
  • Available on macOS, Windows, and the web

What to know first

  • Optional usage statistics and technical data may be sent
  • AU and VST3 plugins are limited to macOS and Windows

Verdict

Harmony Pro brings chord suggestions, progression tools, and multiple harmony views together for music creation. Users can choose whether to allow its optional usage-statistics transmission.

Get started with Harmony Pro

  1. Visit the Harmony Pro website.
  2. Use the web version, or choose macOS or Windows.
  3. On macOS or Windows, use the AU or VST3 plugin format.
  4. If using Ableton Live, the maker identifies the VST3 version for that purpose.

Questions about Harmony Pro

How much does Harmony Pro cost?

The Harmony Pro plan is free at 0.00 USD per free.

Which platforms does it support?

Harmony Pro is available on macOS, Windows, and the web. Its AU and VST3 plugin formats are available for macOS and Windows.

Does Harmony Pro use AI?

The maker says Harmony Pro has no AI in the app.

Does it work with Ableton Live?

A maker response says the product includes a VST3 version specifically intended for Ableton Live.

What does the app do with usage data?

It may ask permission to send minimal usage statistics and technical data. The maker says musical content is not transmitted, and users can change the choice at any time.

Harmony Pro plans and pricing

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

Compared on chord finder software

Free plan
Yes
Reverse chord lookup
Yes
Progression generator
Yes
Voicing explorer
Yes
Chord audio playback
Yes

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