# Optical Illusions vs Rainbowmania

The clearest difference is ads: Rainbowmania at none against Optical Illusions's shown. Rainbowmania also leads on update cadence (monthly vs every 19 months) and iOS requirement (12.0 vs 15.0). 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.

Optical Illusions ships an update every 19 months, Rainbowmania monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Optical Illusions | Rainbowmania |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 149 MB | 17 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) | [Mikhail Razin](https://appshunter.io/developer/1460485493) |

## 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


### Rainbowmania

[App page](https://appshunter.io/ios/app/rainbowmania/id1620619554)

**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 Rainbowmania free?

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

### Do Optical Illusions or Rainbowmania have ads?

Optical Illusions shows ads; Rainbowmania does not.

### Which is updated more often, Optical Illusions or Rainbowmania?

Optical Illusions ships an update every 19 months, and Rainbowmania monthly. Most recently, Optical Illusions was updated on October 30, 2026 and Rainbowmania on October 25, 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.*