What's New

Major update for compatibility and functionality. Compare any incorrect answer to the correct answer.

App Description

Teachers, students and professional musicians: Recognize simple and compound intervals by sight and/or sound.
Includes a 'Grade Book' list of all saved results that you can print or send.

• Simple Intervals included are major, minor, diminished, augmented 2nds, 3rds, 6ths, 7ths, and diminished, perfect, and augmented 4ths, 5ths, and octaves.
• Compound Intervals are intervals larger than an octave.

• Three modes: Audio and Visual, Audio Only (Ear Training), and Visual Only (Clef Notation Training).
• Treble, Alto, Tenor, and Bass clefs.
• Set how the interval is played; harmonically, melodically up, down, or randomly.
• Set a random root change, or set the root yourself between each question.
• Set the number of questions, or stop anytime and grade only the number answered.

The Grade Book is filterable by name.
Grades include the name, date and time the quiz was taken, all relevant settings (clef, number of questions, etc.), and score (percentage and letter grade).

iPad Screenshots

(click to enlarge)

Music Theory Intervals screenshot 1 Music Theory Intervals screenshot 2 Music Theory Intervals screenshot 3 Music Theory Intervals screenshot 4 Music Theory Intervals screenshot 5

App Changes

  • June 14, 2014 Initial release
  • August 13, 2014 New version 2.0
  • April 27, 2015 Price decrease: $3.99 -> $2.99
  • July 21, 2015 Price decrease: $2.99 -> $1.99
  • September 06, 2015 Price increase: $1.99 -> $2.99
  • November 01, 2015 Price decrease: $2.99 -> $1.99
  • December 06, 2015 New version 3.0
  • June 14, 2019 New version 3.5
  • June 14, 2019 Price increase: $1.99 -> $2.99
  • June 15, 2019 Price increase: $1.99 -> $2.99
  • June 15, 2019 Price increase: $1.99 -> $2.99
  • June 15, 2019 Price increase: $1.99 -> $2.99
  • June 16, 2019 Price increase: $1.99 -> $2.99
  • September 16, 2023 New version 4.0
  • September 16, 2023 Price decrease: $2.99 -> $1.99