# Optical Illusions vs Puzzle Passage

The clearest difference is review sentiment: Puzzle Passage at 100% against Optical Illusions's 0%. Puzzle Passage also leads on ads (none vs shown) and update cadence (every 4 days vs every 19 months). Optical Illusions's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Puzzle Passage sells 1 in-app purchase, starting at $14.99 per year. Optical Illusions asks for nothing beyond the download.

Optical Illusions ships an update every 19 months, Puzzle Passage every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Optical Illusions | Puzzle Passage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/puzzle-passage/id6743335174/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 4 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 149 MB | 96 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) | [Jacob Jerrard](https://appshunter.io/developer/1802293730) |

## 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


### Puzzle Passage

[App page](https://appshunter.io/ios/app/puzzle-passage/id6743335174)

Engage with short, captivating stories and solve puzzles hidden within the text. Uncover clues and answer questions based on the narrative. Enjoy a relaxing and fun experience with varied genres and customizable themes.

**Highlights:** Story-driven puzzles, Reading comprehension challenges, Homescreen widget integration, Varied story genres, Customizable themes and music, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Passages | $14.99 | per year |


## Frequently asked questions

### Is Optical Illusions free?

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

### Is Puzzle Passage free?

Puzzle Passage is free to download, with in-app purchases available.

### Do Optical Illusions or Puzzle Passage have ads?

Optical Illusions shows ads; Puzzle Passage does not.

### Which is updated more often, Optical Illusions or Puzzle Passage?

Optical Illusions ships an update every 19 months, and Puzzle Passage every 4 days. Most recently, Optical Illusions was updated on November 3, 2026 and Puzzle Passage on November 4, 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.*