Chord Progression Builder - Layout chords easily and compose songs app for iPhone and iPad

Chord Progression Builder is easy to use and intuitive tool to quickly layout chord ideas for the song.

You start by setting the scale of the song or by detecting scale if you have already added some chords. You can add chords to the song either by several form and diatonic functions. That way they will always sound good together. You can explore great ideas for your song in matter of minutes. After adding chords you can edit them to try them in different inversions and root octaves.

After you have finished your work the song will be saved automatically. You can export it as MIDI file if you wish.

App contains several instruments like acoustic grand piano, bright acoustic piano, electric grand piano, drawbar organ and church organ.