# Music Interval Quiz Master vs ScaleJammer

The clearest difference is price: ScaleJammer at Free against Music Interval Quiz Master's $0.99. Music Interval Quiz Master's advantage is in-app purchases (none vs 1) and iOS requirement (16.0 vs 18.6). On ads and device support there is nothing between them.

ScaleJammer is free to download; Music Interval Quiz Master costs $0.99 up front. ScaleJammer sells 1 one-off in-app purchase. Music Interval Quiz Master asks for nothing beyond the download.

## The numbers

| Metric | Music Interval Quiz Master | ScaleJammer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 12 MB | 8 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Bum Tae Yoon](https://appshunter.io/developer/1578285460) | [Orcun Keskin](https://appshunter.io/developer/1681326325) |

## What reviewers say

### Music Interval Quiz Master

[App page](https://appshunter.io/ios/app/music-interval-quiz-master/id6738980588)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ScaleJammer

[App page](https://appshunter.io/ios/app/scalejammer/id6761661432)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScaleJammer Pro | $4.99 | one-time |


## Frequently asked questions

### Is Music Interval Quiz Master free?

Music Interval Quiz Master costs $0.99, with no in-app purchases.

### Is ScaleJammer free?

ScaleJammer is free to download, with in-app purchases available.

### Do Music Interval Quiz Master or ScaleJammer have ads?

Neither Music Interval Quiz Master nor ScaleJammer shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*