# Optical Illusions vs Brian Brainer

The clearest difference is iOS requirement: Brian Brainer at 13.0 against Optical Illusions's 15.0. 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.

Optical Illusions ships an update every 19 months, Brian Brainer every 21 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Optical Illusions | Brian Brainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/brian-brainer-tricky-puzzles/id6739729058/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 19 months** | Every 21 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 149 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) | [Gaetano Consiglio](https://appshunter.io/developer/477786336) |

## What reviewers say

### Optical Illusions

[App page](https://appshunter.io/ios/app/optical-illusionsbrain-teaser/id1555733337)

Engage with a collection of mind-bending visual puzzles designed to challenge your perception and cognitive skills. Explore numerous optical illusions that will test your brain power and visual acuity in a fun and engaging way.

**Highlights:** Hundreds of optical illusion challenges, Spot trick questions and hidden traps, Minimal design for illusion clarity, Time-limited challenges, Suitable for all ages, IQ training and mind games

**In-app purchases:** none


### Brian Brainer

[App page](https://appshunter.io/ios/app/brian-brainer-tricky-puzzles/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 Optical Illusions free?

Optical Illusions 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 Optical Illusions or Brian Brainer have ads?

Both Optical Illusions and Brian Brainer show ads.

### Which is updated more often, Optical Illusions or Brian Brainer?

Optical Illusions ships an update every 19 months, and Brian Brainer every 21 months. Most recently, Optical Illusions was updated on November 3, 2026 and Brian Brainer on November 8, 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.*