# Optical Illusions vs Swerveios

The clearest difference is review sentiment: Swerveios at 100% against Optical Illusions's 0%. Swerveios also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 19 months). 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, Swerveios every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Optical Illusions | Swerveios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/swerveios/id6736999494/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 149 MB | 8 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) | [Nishanth Alladi](https://appshunter.io/developer/1617602254) |

## 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


### Swerveios

[App page](https://appshunter.io/ios/app/swerveios/id6736999494)

Tilt your phone to maneuver through an asteroid field. Aim for the highest score possible in this engaging arcade-style game.

**Highlights:** Tilt controls, Asteroid dodging, High score tracking, Arcade gameplay, Simple mechanics

**In-app purchases:** none


## Frequently asked questions

### Is Optical Illusions free?

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

### Is Swerveios free?

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

### Do Optical Illusions or Swerveios have ads?

Optical Illusions shows ads; Swerveios does not.

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

Optical Illusions ships an update every 19 months, and Swerveios every 2 weeks. Most recently, Optical Illusions was updated on November 3, 2026 and Swerveios 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.*