Ad-Free
$2/ month
Keep Harmony Lab cleaner and more focused.
No cross-app recommendations
Keep Harmony Lab cleaner and more focused
Support future development
Built for real musical work
Harmony Lab helps you move from idea to action faster
Harmony Lab helps you build, hear, shape, and export chord progressions, whether you start from a scale, a function, a custom idea, or a lucky spark.
Great fit for
producerscomposersarrangersidea generation
Core workflow
What you can do with Harmony Lab
A focused breakdown of the workflows this app is designed to support.
01
Start with By Scale when you want harmony built around a specific tonal palette.
02
Use Functional Harmony to work faster with functional harmony concepts.
04
Build freely with Custom when you already know the direction you want.
05
Hear progressions instantly with multiple instruments, voicings, and playback styles.
06
Use Create to turn theory knowledge into progressions you can reuse in production.
07
Export harmonic ideas as MIDI or audio for production, arranging, and songwriting.
Access options
Access Options
Harmony Lab gives you a free starting point, plus optional ways to keep the experience cleaner or unlock more.
Continue Ad-Free
Full Access
$5/ month
Unlock the full Harmony Lab experience with a cleaner workspace.
Unlimited-length chord progressions
AI chord progression generation
All chord and scale types
Advanced play styles and artistic patterns
4-instrument playback, MIDI export, and more
All products
Explore the rest of the Melodic Mind lineup
Move between dedicated tools, focused instruments, and larger creative workspaces without leaving the same product ecosystem.
Showing web access and mobile availability
23apps available
5product categories
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Melodic Master
Turn your mix into a cleaner, louder, more finished song.
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Ear Wizard
Train your ear with structure, repetition, and clear progress.
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Harmony Lab
Create chord progressions with theory, sound, and flow.
Installable web app for every device
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Melodic Piano
A playable piano with sounds, theory tools, and recording built in.
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Play string textures, chords, and orchestral sketches online.
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Build beats quickly with playable pads and ready-to-use kits.
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Melodic Recorder
Record, organize, edit, and polish audio in one place.
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Songwriter Studio
A focused workspace for lyrics, recordings, and song ideas.
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Melodic Chord Organ
Play rich chords instantly with organ-style control.
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Circle of Fifths
Understand keys, chords, and movement around the circle.
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Compare Scales
Compare scales side by side and find what really changes.
Installable web app for every device
Modes Explorer
Hear and understand modes through real musical context.
Installable web app for every device
Melodic Metronome
A clean metronome built for real practice.
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Tune Looper
Loop the exact part of a song you need to practice.
Installable web app for every device
Pitch Detector
See pitch in real time as you sing or play.
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Tuner Dude
A fast tuner that does not get in your way.
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Loved by Creators Worldwide
Questions about Harmony Lab
General
What is Harmony Lab?
Harmony Lab helps you build, hear, shape, and export chord progressions, whether you start from a scale, a function, a custom idea, or a lucky spark.
How much does Harmony Lab cost?
Ad-Free: $2 / month
Full Access: $5 / month
Full Access: $5 / month
How can I use Harmony Lab on my device?
Harmony Lab works in the browser, and you can install it as a web app for a more native feel. Store options are also shown on this page when they are available.
Features
What can I do with Harmony Lab?
- Start with By Scale when you want harmony built around a specific tonal palette.
- Use Functional Harmony to work faster with functional harmony concepts.
- Switch to Generate or AI when you want fresh harmonic suggestions.
- Build freely with Custom when you already know the direction you want.
- Hear progressions instantly with multiple instruments, voicings, and playback styles.
Who is Harmony Lab best for?
Harmony Lab is especially useful for producers, composers, arrangers, idea generation.
Technical
Which devices can run Harmony Lab?
Harmony Lab works on modern browsers across phone, tablet, and desktop. For the best experience, install it as a web app from your browser when that option is available.