# True or false vs Optical Illusions

The clearest difference is ads: True or false at none against Optical Illusions's shown. True or false also leads on monetization model (free vs ad-supported) and iOS requirement (7.0.0 vs 15.0). On price, review sentiment, 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 | True or false | Optical Illusions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (5 ratings)](https://appshunter.io/ios/app/true-or-false-new/id1300283035/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 19 months |
| Monetization | **Free** | Ad-supported |
| Size | 64 MB | 149 MB |
| Requires iOS | **7.0.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Nikolay Shipilov](https://appshunter.io/developer/1277922926) | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) |

## What reviewers say

### True or false

[App page](https://appshunter.io/ios/app/true-or-false-new/id1300283035)

Test your knowledge across various categories with this quiz game. Guess whether amazing facts are true or fiction to develop your intuition and learn interesting information.

**Highlights:** Knowledge-based quiz, Multiple categories, Develop intuition, Learn amazing facts, Truth or fiction guessing

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is True or false free?

True or false is free to download, with no in-app purchases.

### Is Optical Illusions free?

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

### Do True or false or Optical Illusions have ads?

Optical Illusions shows ads; True or false does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*