# Dr. Machine vs Brian Brainer

The clearest difference is ads: Dr. Machine at none against Brian Brainer's shown. Dr. Machine also leads on iOS requirement (11.0 vs 13.0). On price, 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 | Dr. Machine | Brian Brainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/brian-brainer-brain-impulse/id6739729058/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | — |
| Monetization | — | Ad-supported |
| Size | 318 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Eduardo Nunez Matas](https://appshunter.io/developer/1489994354) | [Gaetano Consiglio](https://appshunter.io/developer/477786336) |

## 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


### Brian Brainer

[App page](https://appshunter.io/ios/app/brian-brainer-brain-impulse/id6739729058)

Engage in a free brain teaser game filled with tricky puzzles and unexpected riddles. Challenge your logic and common sense with unique mind-bending challenges. Perfect for solo play or with friends, this game offers a fun workout for your intelligence.

**Highlights:** Mind-blowing brain teasers, Tricky puzzles with unexpected answers, Fun for all ages, Boost IQ and problem-solving skills, Offline play, Addictive gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Dr. Machine free?

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

### Is Brian Brainer free?

Brian Brainer is free to download, with no in-app purchases.

### Do Dr. Machine or Brian Brainer have ads?

Brian Brainer shows ads; Dr. Machine does not.

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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.*