# OpEvol vs Que Cat

The clearest difference is price: OpEvol at Free against Que Cat's $0.99. OpEvol also leads on ads (none vs shown). Que Cat's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 22 months). On device support there is nothing between them.

OpEvol is free to download; Que Cat costs $0.99 up front. OpEvol sells 1 in-app purchase, starting at $6.99 per year. Que Cat asks for nothing beyond the download.

OpEvol ships an update every 22 months, Que Cat monthly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OpEvol | Que Cat |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/que-cat/id6446821735/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 18 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Muddlegeist](https://appshunter.io/developer/701677888) | [Majestic AV, LLC.](https://appshunter.io/developer/1677042021) |

## 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 |


### Que Cat

[App page](https://appshunter.io/ios/app/que-cat/id6446821735)

An AI-powered chat companion that offers personalized insights and engaging conversations. Store and access multiple chat sessions, and for developers, customize AI models for unique experiences. Share responses to spark new ideas and broaden your horizons.

**Highlights:** AI-powered chat companion, Personalized conversations, Multiple chat session storage, Developer mode customization, Import/export system prompts, Shareable responses

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpEvol free?

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

### Is Que Cat free?

Que Cat costs $0.99, with no in-app purchases.

### Do OpEvol or Que Cat have ads?

Que Cat shows ads; OpEvol does not.

### Which is updated more often, OpEvol or Que Cat?

OpEvol ships an update every 22 months, and Que Cat monthly. Most recently, OpEvol was updated on October 15, 2026 and Que Cat on October 24, 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.*