# Music Interval Quiz Master — Master Music Intervals

> Master Music Intervals (iPhone/iPad app by Bum Tae Yoon.)

- Source: https://appshunter.io/ios/app/music-interval-quiz-master/id6738980588 (this page in markdown: same URL + `.md`)
- Developer: [Bum Tae Yoon](https://appshunter.io/developer/1578285460)
- Category: Music, Education
- Price: $0.99 (on sale, was $1.99)
- Age rating: 4+
- Requires: iOS 16.0 · 12 MB
- Languages: American English, Japanese, Korean
- Released: 2024-12-05
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/music-interval-quiz-master/id6738980588/reviews.md

## What is Music Interval Quiz Master?

Is studying intervals difficult for you?  
Master intervals easily and fun with quizzes that include sheet music and sound!  
You can master intervals in a fun and easy way!  

• Master interval calculations with quizzes  
Conveniently enter your answers and get scored with an interval-specific keyboard.
Also provide detailed explanations of the questions!

• It’s okay if you get it wrong  
Keep trying until you get the correct answer!  
With tons of questions, anyone can master intervals!

• Statistics feature  
Use the statistics feature to track your learning progress in a graph.  
You can check your accuracy rate, the time it took to solve problems, and more.  
There are various filtering options, including the quality, degree, and correctness of intervals.

• Settings feature  
Set the range of problems and customize the solving method to your liking.  
Set a timer to reduce the solving time and speed up your learning!


## Version history (last 5 releases)

### 1.4.0 — 2026-05-01

Add 'Learn & Study' tab
 - Bookmark Feature Added: You can bookmark intervals you want to review during quizzes. Bookmarked quizzes can be checked in the bookmark list.
 - Interval Calculator Added: An interval calculator has been added that shows the interval between two selected notes. You can also listen to the sound and view detailed explanations.

Others
 - Core Interval Selection Added: If you want to quickly practice only core intervals, tap 'Select the 18 Core Intervals' in the quiz range settings.
 - Design and usability improvements
 - Bug fixes

### 1.3.1 — 2026-03-17

- Added a feature to show an info sheet when tapping a notification
- Fixed several UI issues and updated the app icon for Tint Mode
- Bug fixes

### 1.3.0 — 2025-07-02

- Improved [Quiz Question Scope Setting] feature
- Improved [Interval Explanation] page
- Bug fixes

### 1.2.0 — 2025-03-20

- Added quiz explanation function: If you answer correctly, a detailed explanation for the quiz question is provided. Click the icon in the correct answer display box!
- Improved app performance

### 1.1.1 — 2025-02-16

- Fixed line break issue in Korean text for reminder notifications
- Added quiz history viewing/deletion feature

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## More apps by Bum Tae Yoon

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- [UltimateScale](https://appshunter.io/ios/app/ultimatescale/id1631310626)
- [Bigi Image Translator](https://appshunter.io/ios/app/bigi-image-translator/id6759966238)

All apps by Bum Tae Yoon: https://appshunter.io/developer/1578285460

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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 2026-08-14.*