# 99Race vs Number Memory

99Race and Number Memory are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 99Race | Number Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Weekly |
| Size | 7 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicolae Irinel Randasiu](https://appshunter.io/developer/1806587306) | [Iclal KABATAS](https://appshunter.io/developer/1896019931) |

## What reviewers say

### 99Race

[App page](https://appshunter.io/ios/app/99race/id6744564362)

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

**In-app purchases:** none


### Number Memory

[App page](https://appshunter.io/ios/app/number-memory-brain-age-test/id6770123794)

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

**In-app purchases:** none


## Frequently asked questions

### Is 99Race free?

99Race is free to download, with no in-app purchases.

### Is Number Memory free?

Number Memory is free to download, with no in-app purchases.

### Do 99Race or Number Memory have ads?

Both 99Race and Number Memory show 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.*