# Defend the Brain vs Dot Focus

The clearest difference is in-app purchases: Dot Focus at none against Defend the Brain's 1. Defend the Brain's advantage is iOS requirement (8.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Defend the Brain sells 1 one-off in-app purchase. Dot Focus asks for nothing beyond the download.

## The numbers

| Metric | Defend the Brain | Dot Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/defend-the-brain-right-left-brain-test/id1240222889/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 30 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Pixel Bistro](https://appshunter.io/developer/976506039) | [Lucia Canastro](https://appshunter.io/developer/1835240576) |

## What reviewers say

### Defend the Brain

[App page](https://appshunter.io/ios/app/defend-the-brain-right-left-brain-test/id1240222889)

Test your brain's speed and dominance between the left and right hemispheres. Compete globally in a game of split-second reactions. See if you can keep up with historical geniuses.

**Highlights:** Brain speed test, Left vs. Right brain dominance, Global leaderboards, Split-second reaction challenges, Compete with friends

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Dot Focus

[App page](https://appshunter.io/ios/app/dot-focus/id6755662289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Defend the Brain free?

Defend the Brain is free to download, with in-app purchases available.

### Is Dot Focus free?

Dot Focus is free to download, with no in-app purchases.

### Do Defend the Brain or Dot Focus have ads?

Neither Defend the Brain nor Dot Focus 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.*