What

Chordbot is a songwriting app / backing track generator that lets you create and play any chord progression in a variety of musical styles. Think of it as the "Band in your hand"

Chordbot - Quick and easy playback of complex chords and arrangements

Why

Make custom backing tracks for your guitar solos
Experiment with complex chord combinations without having to master (or bring) an instrument
Quickly try different song arrangements by mixing instrument and comping patterns

How

Select a style and add some chords
Hit play and mess around with the chords and arrangement in real-time until you find something you like
Export song as MIDI, refine in DAW, release + profit (optional)

Features

Choose between 60+ chord types, everything from Aug^add2 to Min^7#11, in all inversions
Over 70 built-in comping style presets. Simple but usable arrangements that won't get in your way
Create your own unique comping styles by combining and mixing over 400 dynamic instrument tracks
Automatic (or manual) inversion selector makes chord changes as smooth as possible
Export songs as MIDI-files for further refinement in a DAW, or send demos to your bandmates as WAV-files

More information:

See some screenshots
Listen to some audio samples
Read some common questions
Install the app