Scaler 2

Scaler 2 is a music theory workstation plugin that can determine the key and scale of your music and suggest chords that fit. It lets you build chord progressions, explore voicings and substitutions, and generate melodies and ideas inside your DAW.

It is aimed at producers and songwriters who want help with harmony and progressions, available as a VST, AU, and AAX plugin on macOS and Windows. It includes hundreds of preset chord sets from various genres and artists.

• Detects key and scale and suggests matching chords
• Build and edit custom chord progressions
• Hundreds of preset chord sets across genres and artists
• Voicings, arpeggiations, and chord substitutions
• MIDI effects like humanization, velocity, and swing
• MIDI capture and DAW sync, with export as MIDI