# Kaos Numbers vs Reaction Time Test

The clearest difference is in-app purchases: Kaos Numbers at none against Reaction Time Test's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Reaction Time Test sells 3 in-app purchases, starting at $1.99 per month. Kaos Numbers asks for nothing beyond the download.

## The numbers

| Metric | Kaos Numbers | Reaction Time Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reaction-time-test-reflex/id6761836276/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 days | — |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 38 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ONUR SEVINDIK](https://appshunter.io/developer/1876635521) | [Iuliia Arnautova](https://appshunter.io/developer/1891708128) |

## What reviewers say

### Kaos Numbers

[App page](https://appshunter.io/ios/app/kaos-numbers/id6759068433)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reaction Time Test

[App page](https://appshunter.io/ios/app/reaction-time-test-reflex/id6761836276)

Sharpen your reflexes and cognitive skills with a suite of engaging brain games. Improve focus, decision speed, and hand-eye coordination through various unique challenges. Track your progress with detailed statistics and set personal records.

**Highlights:** Diverse reaction games and brain trainers, F1 Start Lights, Swipes, Color Choice, and more, Detailed statistics and progress tracking, Visual charts and performance history, Improve focus and concentration, Enhance hand-eye coordination, Boost mental agility and decision speed

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium | $8.99 | per year |
| Lifetime Premium | $12.99 | one-time |


## Frequently asked questions

### Is Kaos Numbers free?

Kaos Numbers is free to download, with no in-app purchases.

### Is Reaction Time Test free?

Reaction Time Test is free to download, with in-app purchases available.

### Do Kaos Numbers or Reaction Time Test have ads?

Both Kaos Numbers and Reaction Time Test 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.*