# Brain Boss vs Harbor Chaos

The clearest difference is iOS requirement: Brain Boss at 12.0 against Harbor Chaos's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Brain Boss ships an update every 3 months, Harbor Chaos every 4 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Brain Boss | Harbor Chaos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/brain-boss/id920372599/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 70 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rise Up Labs](https://appshunter.io/developer/337502798) | [Alexander Lemken](https://appshunter.io/developer/1891250466) |

## What reviewers say

### Brain Boss

[App page](https://appshunter.io/ios/app/brain-boss/id920372599)

This game challenges your brain with a fast-paced color and number matching mechanic. It's designed to improve memory and coordination by requiring precise taps within a time limit. Compete with others to see how your brain stacks up.

**Highlights:** Color and number matching gameplay, Tests brain workout skills, Improves memory skills, Scientifically designed challenges, Fast-paced and challenging, Minimalistic UI, Compares coordination against others

**Features:** macOS Compatibility

**In-app purchases:** none


### Harbor Chaos

[App page](https://appshunter.io/ios/app/harbor-chaos/id6775502288)

**In-app purchases:** none


## Frequently asked questions

### Is Brain Boss free?

Brain Boss is free to download, with no in-app purchases.

### Is Harbor Chaos free?

Harbor Chaos is free to download, with no in-app purchases.

### Do Brain Boss or Harbor Chaos have ads?

Neither Brain Boss nor Harbor Chaos shows ads.

### Which is updated more often, Brain Boss or Harbor Chaos?

Brain Boss ships an update every 3 months, and Harbor Chaos every 4 months. Most recently, Brain Boss was updated on November 1, 2026 and Harbor Chaos on November 5, 2026.

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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.*