# 4Brains vs Reflex Factor

The clearest difference is iOS requirement: 4Brains at 13.4 against Reflex Factor's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 4Brains | Reflex Factor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 12 months |
| Size | 17 MB | 29 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Solvio](https://appshunter.io/developer/1708361818) | [Mutai Mwiti](https://appshunter.io/developer/1795008655) |

## What reviewers say

### 4Brains

[App page](https://appshunter.io/ios/app/4brains/id6476965736)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reflex Factor

[App page](https://appshunter.io/ios/app/reflex-factor/id6741682766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4Brains free?

4Brains is free to download, with no in-app purchases.

### Is Reflex Factor free?

Reflex Factor is free to download, with no in-app purchases.

### Do 4Brains or Reflex Factor have ads?

Neither 4Brains nor Reflex Factor 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.*