What's New

Added a link to the Musician’s Bundle, which includes our tuner app Tuna Pitch and the advanced Circle of Fifths, Opus 2.

App Description

A music theory tool for beginner musicians, Circle of Fifths, Opus 1 is a pocket reference for analyzing, transposing, and composing music. This app focuses on major and relative minor scales and chord progressions.

For a more advanced version of Circle of Fifths, check out our Circle of Fifths, Opus 2 edition. Opus 2 explores musical modes often used in jazz and a wide variety of other musical styles.

FEATURES
• Interactive circle: rotate it or tap on a key to see its scale and circle chord progression.
• Play scales and chords out loud by tapping on the staves.
• Tap on individual chords to explore chord patterns.
• Includes both chord name and roman numeral notation.
• Choose from treble, bass, or alto clef.

Circle of Fifths, Opus 1 was created by Lucius Kwok and Agnes Chan. Made in NYC.

iPhone Screenshots

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Circle of Fifths, Opus 1 screenshot 1 Circle of Fifths, Opus 1 screenshot 2 Circle of Fifths, Opus 1 screenshot 3 Circle of Fifths, Opus 1 screenshot 4

iPad Screenshots

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Circle of Fifths, Opus 1 screenshot 5 Circle of Fifths, Opus 1 screenshot 6 Circle of Fifths, Opus 1 screenshot 7

App Changes

  • April 28, 2013 Initial release
  • June 14, 2013 Price decrease: $2.99 -> $0.99
  • June 18, 2013 Price increase: $0.99 -> $4.99
  • December 10, 2013 New version 2.0
  • June 07, 2014 New version 2.1
  • June 28, 2014 New version 2.2
  • September 29, 2014 New version 2.3
  • August 18, 2016 New version 2.4
  • August 19, 2016 Price decrease: $4.99 -> $2.99
  • November 09, 2016 New version 2.4.2

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