# Dr. Machine vs Brain test

The clearest difference is ads: Dr. Machine at none against Brain test's shown. Brain test's advantage is update cadence (every 3 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Dr. Machine ships an update every 7 months, Brain test every 3 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Dr. Machine | Brain test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 days** |
| Size | 318 MB | 129 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Eduardo Nunez Matas](https://appshunter.io/developer/1489994354) | [Blackgems Global](https://appshunter.io/developer/1789503035) |

## What reviewers say

### Dr. Machine

[App page](https://appshunter.io/ios/app/dr-machine-brain-hacking/id1536345101)

**Features:** Vision Pro support

**In-app purchases:** none


### Brain test

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dr. Machine free?

Dr. Machine is free to download, with no in-app purchases.

### Is Brain test free?

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

### Do Dr. Machine or Brain test have ads?

Brain test shows ads; Dr. Machine does not.

### Which is updated more often, Dr. Machine or Brain test?

Dr. Machine ships an update every 7 months, and Brain test every 3 days. Most recently, Dr. Machine was updated on October 10, 2026 and Brain test on October 2, 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.*