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Circle of 5ths HD

The App that helps you to learn all major and minor keys fast

The App that helps you to learn all major and minor keys fast

Circle of 5ths HD

by Eun Jae Lee
Circle of 5ths HD
Circle of 5ths HD

What is it about?

The App that helps you to learn all major and minor keys fast!!

App Details

Education Music
Last updated
October 2, 2017
Release date
May 2, 2011
More info

App Screenshots

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App Store Description

The App that helps you to learn all major and minor keys fast!!

This App will help you to memorize and understand the Circle of Fifths. It is a must have app for anyone studying music.

The circle of fifths is a handy tool for music students and musicians. It is a diagram, which consists of dozens of keys, used in music theory that helps students to understand the key signatures and their relationships.

Understanding the intervals of perfect 5th and minor 3rd are essential.
Fifths are intervals (space between two notes), which represent five steps of space above or below from each starting note (key), likewise minor 3rd.

Memorizing and visualizing the diagram is highly recommended.


1. Full support for Retina display.
2. Design – a picture is worth a thousand words.
3. Runs fast - instantly displays all keys and exits quickly.
4. Six different modes– Major, minor blank, flat, sharp and all keys to choose.
5. Complete Key signatures and Table of intervals with sound.
6. Diatonic scales (Major, natural, harmonic & melodic minor) with sound and formula.
7. A complete set of Major & minor triads with sound and formula.
8. Key signature matrices.
9. The overtone (harmonic) series with sound.
10. Color choice for the circle: six different colors to choose from

Created by musician/music educator.

Happy learning!

‘Circle of 5ths’ collection series is a comprehensive library for all musicians, composers, music teachers, lecturers, professors, students at all levels and music enthusiasts. It includes various musical components such as key signatures, intervals, scales, triads and so on. They are essential for musicians. The series is designed to help to develop the aural perception as well e.g. relative pitch and perfect/absolute pitch. Just like eyes to see and recognize things or colors, it is important for the musicians to develop their ears to hear musical sounds clearly and be aware of what they are hearing.

‘Circle of 5ths’ series has all the contents that musicians have to know in a simple form. Use them as a handy reference as well as a study and teaching guide and for training of the ear. Learn, develop, maintain your musical knowledge and sharpen your ear with the series. Collect them all!

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