# Music Theory Intervals — Eye and Ear Training Intervals

> App for musicians to identify musical intervals by ear and sight. (iPhone/iPad app by Patrick Q. Kelly.)

- Source: https://appshunter.io/ios/app/music-theory-intervals/id511630157 (this page in markdown: same URL + `.md`)
- Developer: [Patrick Q. Kelly](https://appshunter.io/developer/310068987)
- Category: Music, Education
- Price: $1.99
- Rating: 4.70/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 43 MB
- Languages: American English
- Released: 2012-04-03
- Data updated: 2026-06-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/music-theory-intervals/id511630157/reviews.md

## What is Music Theory Intervals?

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).

## Key features

- Interval recognition by sight and sound
- Simple and compound interval training
- Audio, Visual, and combined modes
- Treble, Alto, Tenor, Bass clef support
- Customizable interval playback
- Printable Grade Book for results


## Frequently asked questions about Music Theory Intervals

### What types of intervals does Music Theory Intervals cover?

Music Theory Intervals covers simple intervals including major, minor, diminished, and augmented 2nds, 3rds, 6ths, 7ths, as well as diminished, perfect, and augmented 4ths, 5ths, and octaves. It also includes compound intervals, which are larger than an octave.

### What are the different training modes available in Music Theory Intervals?

Music Theory Intervals offers three distinct modes: Audio and Visual for combined training, Audio Only for ear training, and Visual Only for clef notation training.

### Can I customize how intervals are played in Music Theory Intervals?

Yes, you can set how intervals are played, including harmonically, melodically up, down, or randomly. You can also choose to have a random root change or set the root yourself between each question.

### Does Music Theory Intervals support different musical clefs?

Yes, Music Theory Intervals supports Treble, Alto, Tenor, and Bass clefs, allowing for versatile practice across different instrumental and vocal ranges.

### How does the Grade Book feature in Music Theory Intervals work?

The Grade Book saves all your results, including the name, date, time, settings used, and score (percentage and letter grade). This list is filterable by name and can be printed or sent.

### What devices is Music Theory Intervals compatible with?

Music Theory Intervals is currently supported on iPad devices.

### How often is Music Theory Intervals updated?

The app was last updated on January 7, 2026, indicating a recent update. Its version is 5.0, and it was initially released on April 3, 2012.

### What is the price of Music Theory Intervals?

Music Theory Intervals is a paid app and costs $1.99. There are no in-app purchases or advertisements mentioned.

## Version history (last 5 releases)

### 5.0 — 2026-01-07

Updated for compatibility and functionality.

### 4.0 — 2022-04-14

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

### 3.5 — 2019-01-12

Major update for compatibility and functionality.

### 3.0 — 2015-12-05

Updated for iPad Pro. Added ear training mode. Small bug fixes and other improvements.

### 2.0 — 2014-07-03

Added landscape orientation, updated interface.
Major upgrade to stability and efficiency.

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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 2026-06-01.*