# OpEvol vs Kaleidoscopic Illusions

The clearest difference is in-app purchases: Kaleidoscopic Illusions at none against OpEvol's 1. Kaleidoscopic Illusions also leads on iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. OpEvol sells 1 in-app purchase, starting at $6.99 per year. Kaleidoscopic Illusions asks for nothing beyond the download.

## The numbers

| Metric | OpEvol | Kaleidoscopic Illusions |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 22 months | — |
| Monetization | Paid | — |
| Size | 3 MB | 59 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muddlegeist](https://appshunter.io/developer/701677888) | [MM's Gaming Community LLC](https://appshunter.io/developer/1549834351) |

## What reviewers say

### OpEvol

[App page](https://appshunter.io/ios/app/opevol/id788355019)

Experience a dynamic, ever-changing display of psychedelic visuals inspired by 1960s Op Art. This app creates animated fields of geometric colors and contrasts for passive viewing or interactive play.

**Highlights:** Animated geometric patterns, Op Art inspired visuals, Psychedelic color displays, Interactive visual play, Air Display compatibility

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpEvol Annual Subscription | $6.99 | per year |


### Kaleidoscopic Illusions

[App page](https://appshunter.io/ios/app/kaleidoscopic-illusions/id6476451526)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpEvol free?

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

### Is Kaleidoscopic Illusions free?

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

### Do OpEvol or Kaleidoscopic Illusions have ads?

Neither OpEvol nor Kaleidoscopic Illusions shows ads.

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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.*