# Interval? — A music-training game

> Music training game to identify played chords from musical notation. (iPhone/iPad app by Kelly Technology Inc..)

- Source: https://appshunter.io/ios/app/interval/id936872179 (this page in markdown: same URL + `.md`)
- Developer: [Kelly Technology Inc.](https://appshunter.io/developer/393931941)
- Category: Games, Music, Music
- Price: $2.99
- Age rating: 4+
- Requires: iOS 12.0 · 18 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, European Portuguese, Russian, Chinese (Simplified, China), European Spanish
- Released: 2014-11-13
- Data updated: 2026-09-04
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/interval/id936872179/reviews.md

## What is Interval??

Challenge your musical skill with Interval by determining which chord was played.  For each puzzle, three chords are played with the musical notation displayed for the first two.  The third chord will be one of four choices displayed - choose your answer by touching the right chord. The point value for each game will be added to your score for the correct answer, but half the points will be deducted for each wrong one.  You can play the three chords as many times as you like, and you can move on to the next puzzle without answering and without penalty.  Your musical knowledge will increase with repeated playing of the game.

## Key features

- Chord identification gameplay
- Musical notation display
- Multiple choice answers
- Scoring system with deductions
- Unlimited chord replays
- Progressive difficulty

## Chart rankings

- #111 in Top Paid · Music (US App Store)


## Frequently asked questions about Interval?

### What is Interval?

Interval is a music training game designed to challenge your ability to identify chords by ear. You'll listen to chord progressions and select the correct chord from a list of options.

### How do you play Interval?

In Interval, you'll hear three chords and see the musical notation for the first two. Your task is to choose the correct third chord from four displayed choices. You can replay chords as many times as needed.

### Does Interval have ads?

No, Interval does not contain advertisements. It is a paid application that offers an uninterrupted learning experience.

### What devices is Interval compatible with?

Interval is available for iPhone, iPad, and iPod devices, offering a versatile experience across Apple's mobile ecosystem.

### What is the age rating for Interval?

Interval has an age rating of 4+, making it suitable for a wide range of users interested in music education.

### How often is Interval updated?

The latest version of Interval is 4.2, which was last updated on December 24, 2025. This indicates a commitment to ongoing development and improvements.

### Can I skip puzzles in Interval without penalty?

Yes, you can move on to the next puzzle in Interval without answering the current one, and there is no penalty for doing so. This allows you to progress at your own pace.

### What is the price of Interval?

Interval is available for a one-time purchase price of $2.99. This grants you full access to the game's features without any recurring costs.

## Version history (last 5 releases)

### 4.2 — 2025-12-24

Various updates and improvements.

### 4.1 — 2025-01-25

Updated for iOS18.

### 4.0 — 2021-12-11

Updated for iOS 15.

### 3.1 — 2018-11-10

Updated for iOS 12.1

### 3.0 — 2018-09-25

Updated for iOS 12.

## Apps similar to Interval?

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [ArcEmu](https://appshunter.io/ios/app/arcemu/id6496282733) | 4.9 (1,288) | $1.99 | Games |
| [Kids Piano Fun: Music Games](https://appshunter.io/ios/app/kids-piano-fun-music-games/id1479186644) | 3.9 (329) | Free | Games |

## More apps by Kelly Technology Inc.

- [HIT Log](https://appshunter.io/ios/app/hit-log/id393931938)
- [HIT Log Pro](https://appshunter.io/ios/app/hit-log-pro/id397833279)
- [Primal Feed](https://appshunter.io/ios/app/primal-feed/id404368965)
- [Central Banks](https://appshunter.io/ios/app/central-banks/id417019913)
- [global storms](https://appshunter.io/ios/app/global-storms/id425914352)
- [Science Now](https://appshunter.io/ios/app/science-now/id428269406)

All apps by Kelly Technology Inc.: https://appshunter.io/developer/393931941

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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 2026-09-04.*