# OpEvol vs Fizzik

The clearest difference is update cadence: Fizzik at every 5 days against OpEvol's every 22 months. Fizzik also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases 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 and Fizzik sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

OpEvol ships an update every 22 months, Fizzik every 5 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OpEvol | Fizzik |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 3 MB | 7 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muddlegeist](https://appshunter.io/developer/701677888) | [Daitoku Corp.](https://appshunter.io/developer/1735375196) |

## 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 |


### Fizzik

[App page](https://appshunter.io/ios/app/fizzik/id6791336629)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fizzik Pro Monthly | $6.99 | per month |
| Fizzik Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is OpEvol free?

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

### Is Fizzik free?

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

### Do OpEvol or Fizzik have ads?

Neither OpEvol nor Fizzik shows ads.

### Which is updated more often, OpEvol or Fizzik?

OpEvol ships an update every 22 months, and Fizzik every 5 days. Most recently, OpEvol was updated on October 15, 2026 and Fizzik on October 16, 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.*