Our ear training software, Phobia series, has been used world wide and designed for aspiring musicians and music major students. These interactive training will help developing essential listening skills on common musical subject such as chords, chord inversions, intervals, and scales.

• ChordPhobia helps you learn to recognize chords by ear.
• InversionPhobia helps you learn to recognize inversions by ear.
• IntervalPhobia helps you learn to recognize intervals by ear.
• ScalePhobia helps you learn to recognize scales/modes by ear.

In ScalePhobia, you will see/hear most of the scales/modes from the major scale to the Locrian mode.

• Scale/Mode Tonic: C, C#/Db, D, D#/Eb, E, F, F#/Gb, G, G#/Ab, A, A#/Bb, and B
• Scale/Mode Types: Major (Ionian), Natural Minor (Aeolian), Harmonic Minor, Melodic Minor, Dorian, Phrygian, Lydian, Mixolydian, Locrian, Whole Tone, Blues, Major Pentatonic, Minor Pentatonic, Whole-Half Diminished, and Half-Whole Diminished.
• Play Modes: Scale/Mode Dictionary, Training, and Lesson.
• Note Orders: Ascending, and Descending.
• Interval Display: e.g. 1-2-3-4-5-6-7-8, PU-M2-M3-P4-P5-M6-M7-P8, C-D-E-F-G-A-B-C
• Piano Keyboard View
• Staff View

What’s New

Version 1.8

• Added Apple silicon support

Ratings and Reviews

4.5 out of 5
2 Ratings

2 Ratings

Smelley Bone ,

Great app if it would work.

Loved it before it broke, fix it please.

App Privacy

The developer,, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


Hidetomo Katsura
1.2 MB

OS X 10.9 or later, 64-bit processor



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.