# Sort math vs Color Blind Test App

The clearest difference is price: Color Blind Test App at Free against Sort math's $9.99. Sort math's advantage is iOS requirement (12.4 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Color Blind Test App is free to download; Sort math costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sort math | Color Blind Test App |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 11 MB | 11 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Umar Mukhtar Khan](https://appshunter.io/developer/1699418909) | [Test Apps Limited](https://appshunter.io/developer/1448821868) |

## What reviewers say

### Sort math

[App page](https://appshunter.io/ios/app/sort-math/id6462795884)

**Features:** macOS Compatibility

**In-app purchases:** none


### Color Blind Test App

[App page](https://appshunter.io/ios/app/color-blind-test-app/id6761285314)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sort math free?

Sort math costs $9.99, with no in-app purchases.

### Is Color Blind Test App free?

Color Blind Test App is free to download, with no in-app purchases.

### Do Sort math or Color Blind Test App have ads?

Neither Sort math nor Color Blind Test App 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.*