Circle of 5ths, Opus 1

Take your music theory for a spin. For iPad and iPhone.

Download on the App Store

iPhone and iPad screenshot

★★★★★

Great app for learning scales! This app has a great layout and is convenient when you forget your scale book.

— Kendra

Screenshots

iPhone

screenshot-1

screenshot-2

screenshot-3

screenshot-4

iPad

screenshot-1

screenshot-2

screenshot-3

screenshot-4

Help

Support

Frequently Asked Questions.

Contact

Get in touch with us.

More Felt Tip Apps

Tuna Pitch icon

Tuna Pitch
Chromatic tuner & pitch pipe

Circle of Fifths Opus 2 icon

Circle of Fifths, Opus 2
Advanced music theory with modes

Run 5k
8-week run-walk program