# Optical Illusions vs Pull Pins Riddle

The clearest difference is update cadence: Pull Pins Riddle at every 9 months against Optical Illusions's every 19 months. 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.

Optical Illusions ships an update every 19 months, Pull Pins Riddle every 9 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Optical Illusions | Pull Pins Riddle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 19 months | **Every 9 months** |
| Monetization | Ad-supported | — |
| Size | 149 MB | 23 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) | [famobi](https://appshunter.io/developer/933760663) |

## 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


### Pull Pins Riddle

[App page](https://appshunter.io/ios/app/pull-pins-riddle/id6738688081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optical Illusions free?

Optical Illusions is free to download, with no in-app purchases.

### Is Pull Pins Riddle free?

Pull Pins Riddle is free to download, with no in-app purchases.

### Do Optical Illusions or Pull Pins Riddle have ads?

Both Optical Illusions and Pull Pins Riddle show ads.

### Which is updated more often, Optical Illusions or Pull Pins Riddle?

Optical Illusions ships an update every 19 months, and Pull Pins Riddle every 9 months. Most recently, Optical Illusions was updated on November 3, 2026 and Pull Pins Riddle on October 30, 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.*