# Music Theory Intervals • — Simple and Compound Intervals

> App for learning and practicing musical intervals by ear and sight. (iPhone/iPad app by Patrick Q. Kelly.)

- Source: https://appshunter.io/ios/app/music-theory-intervals/id1017427212 (this page in markdown: same URL + `.md`)
- Developer: [Patrick Q. Kelly](https://appshunter.io/developer/310068987)
- Category: Music, Education
- Price: $1.99
- Rating: 4.00/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 42 MB
- Languages: American English
- Released: 2015-11-09
- Data updated: 2026-08-26
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/music-theory-intervals/id1017427212/reviews.md

## What is Music Theory Intervals?

Teachers, students and professional musicians: Recognize simple and compound intervals by sight and/or sound. Compare any incorrect answer to the correct answer.
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).

## Key features

- Recognize simple and compound intervals
- Audio and visual training modes
- Ear training mode
- Clef notation training
- Customizable interval playback
- Grade book for saved results


## Frequently asked questions about Music Theory Intervals

### What is Music Theory Intervals •?

Music Theory Intervals • is a paid application designed to help users recognize simple and compound musical intervals by sight and sound. It offers various practice modes and a grade book for tracking progress.

### What types of intervals can I practice with Music Theory Intervals •?

You can practice major, minor, diminished, augmented 2nds, 3rds, 6ths, 7ths, and diminished, perfect, and augmented 4ths, 5ths, and octaves. Compound intervals, which are larger than an octave, are also included.

### What are the different practice modes in Music Theory Intervals •?

The app features three modes: Audio and Visual for combined practice, Audio Only for ear training, and Visual Only for clef notation training. You can also customize settings like root note and interval direction.

### Does Music Theory Intervals • have ads?

No, Music Theory Intervals • is a paid application and does not contain advertisements.

### What devices does Music Theory Intervals • support?

Based on the provided data, Music Theory Intervals • currently supports iPhones.

### How often is Music Theory Intervals • updated?

The latest version of Music Theory Intervals • was released on January 8, 2026. The app was originally released on November 9, 2015.

### What is the age rating for Music Theory Intervals •?

Music Theory Intervals • has an age rating of 4+, making it suitable for a wide range of users interested in music theory.

### Can I print or share my results from Music Theory Intervals •?

Yes, the app includes a 'Grade Book' that saves all your quiz results. You can print or send these saved results for review.

## Version history (last 5 releases)

### 5.0 — 2026-01-08

Updated for compatibility and functionality.

### 3.0.1 — 2023-03-14

App Store name change

### 3.0 — 2022-04-14

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

### 2.0 — 2019-01-05

Major update for compatibility and functionality.

### 1.1 — 2015-11-30

Bug fixes and other improvements.

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## More apps by Patrick Q. Kelly

- [Maestro](https://appshunter.io/ios/app/maestro/id310068984)
- [Maestro Lite](https://appshunter.io/ios/app/maestro-lite/id313724078)
- [Bored](https://appshunter.io/ios/app/bored/id324715902)
- [SMPTE Score](https://appshunter.io/ios/app/smpte-score/id343770624)
- [Lock Master](https://appshunter.io/ios/app/lock-master/id348792868)
- [Fingering](https://appshunter.io/ios/app/fingering/id353809211)

All apps by Patrick Q. Kelly: https://appshunter.io/developer/310068987

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*