# Brain test vs Screw Master

The clearest difference is update cadence: Brain test at every 3 days against Screw Master's monthly. Brain test also leads on iOS requirement (12.0 vs 15.0). 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.

Brain test ships an update every 3 days, Screw Master monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Brain test | Screw Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Monthly |
| Size | 129 MB | 110 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Blackgems Global](https://appshunter.io/developer/1789503035) | [Abdulkadir Tekpinar](https://appshunter.io/developer/1896772409) |

## What reviewers say

### Brain test

[App page](https://appshunter.io/ios/app/brain-test-level-up/id6740665048)

**Features:** macOS Compatibility

**In-app purchases:** none


### Screw Master

[App page](https://appshunter.io/ios/app/screw-master-plate-puzzle/id6774227008)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain test free?

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

### Is Screw Master free?

Screw Master is free to download, with no in-app purchases.

### Do Brain test or Screw Master have ads?

Both Brain test and Screw Master show ads.

### Which is updated more often, Brain test or Screw Master?

Brain test ships an update every 3 days, and Screw Master monthly. Most recently, Brain test was updated on October 25, 2026 and Screw Master on October 28, 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.*