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SPECIFICTION
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Captain Chords vs Harmony Pro

Captain Chords

mixedinkey.com

Harmony Pro

harmonylabaudio.com

Side by side

FigureCaptain ChordsHarmony Pro
Price from—Free
Free plan—Yes
Free trial——
Open source——
Web—Yes
WindowsYesYes
macOSYesYes
Plans published11
Spec score · AI Chord Progression Generators8.0 (#2)7.4 (#8)
PurposeCaptain Plugins lets producers write chord progressions, hooks, melodies, and basslines and export them to a DAW.Harmony Pro helps composers and producers explore harmonic possibilities as music takes shape.

Plans

Captain Chords

  • Captain Plugins 8Price not published

Captain Chords pricing →

Harmony Pro

  • Harmony ProFree

Harmony Pro pricing →

In their own words

Captain Chords

Captain Chords has no write-up on Specifiction yet; its figures are above.

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Harmony Pro

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.

Visit harmonylabaudio.com