AU & VST3 · macOS & Windows

Chord progressions,
the moment you need them.

Chord Lab provides 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

Choose from over 180 progressions across every genre, or hit Generate for a random one.

Showcase · 0:35
Walkthrough
Full walkthrough Every feature, start to finish.
Substitutions
One-click reharmonization Swap any chord for a musical alternative.

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.

Introductory price
$29
  • Mac (AU + VST3) and Windows (VST3)
  • Signed on both platforms, notarized by Apple
  • Logic, Ableton, FL Studio, Cubase & more
  • Free updates for every 1.x release
Buy Now — $29

Secure checkout by Lemon Squeezy · One purchase covers Mac and Windows

Mac users get a signed, notarized installer — double-click and it's done. Windows users get a signed VST3 to drop into C:\Program Files\Common Files\VST3.