A free app for Android, by Contrasonic AB.

Chordbot is a free music app that gives you the opportunity to mix up, create, and play complex chord progressions swiftly and easily.

By using it, you can explore the world of music and experiment with different instruments.

It’s a music creation tool that is used by musicians and songwriters to create their musical ideas.

It allows you to compose and play in different keys and inversions.

With the option to add some chords, you can experiment with different chord progressions.

In addition, you can add backing tracks for instrument practice sessions.

This app features over 60 chord types, and over 400 mixable instrument tracks.