AU & VST3 · macOS
Chord progressions,
the moment you need them.
Chord Lab generates genre-aware progressions, lets you swap in instant substitutions, and drags straight into your DAW as MIDI. No music theory required — just inspiration on tap.
Signed & notarized by Apple · Works in Logic, Ableton, Cubase & more
See it in action
Browse and generate progressions across every genre — one click per idea.
Everything you need to keep writing
180+ progressions, 7 genres
Pop, R&B, Jazz/Soul, Lo-fi, Dark, Latin, Electronic — curated progressions ready to browse, transpose, and play.
One-click substitutions
Swap any chord for a musically valid alternative instantly — explore reharmonizations without touching a theory book.
Live piano roll
See every voicing laid out clearly as it plays, with the current bar highlighted in real time.
Drag straight into your DAW
Drag the piano roll directly into Ableton, Logic, or any host — instantly exported as a ready-to-use MIDI clip.
Save your favorites
Heart the progressions you love. Favorites are saved globally and stay independent of whatever key you're in.
Instant key transposition
Every progression transposes cleanly to any key — the piano roll and MIDI export always match exactly what you hear.
Get Chord Lab
One-time purchase. No subscription. Free updates.
- Audio Unit (AU) + VST3 for macOS
- Signed & notarized by Apple
- Logic, Ableton, Cubase, Studio One & more
- Free updates
Secure checkout by Lemon Squeezy · Apple Silicon & Intel
On Windows?
A Windows VST3 is in the works. Leave your email and we'll tell you the moment it's ready — no other mail, ever.