# Properties of Inequality vs Differential Evolution

The clearest difference is update cadence: Differential Evolution at daily against Properties of Inequality's every 64 months. On price, ads, 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.

Properties of Inequality ships an update every 64 months, Differential Evolution daily. The most recent releases landed on October 28, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Properties of Inequality | Differential Evolution |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 64 months | **Daily** |
| Size | 45 MB | 33 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [Jakub Sosna](https://appshunter.io/developer/1610607884) |

## What reviewers say

### Properties of Inequality

[App page](https://appshunter.io/ios/app/properties-of-inequality/id1439785504)

**Features:** macOS Compatibility

**In-app purchases:** none


### Differential Evolution

[App page](https://appshunter.io/ios/app/differential-evolution/id1662013881)

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

**In-app purchases:** none


## Frequently asked questions

### Is Properties of Inequality free?

Properties of Inequality is free to download, with no in-app purchases.

### Is Differential Evolution free?

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

### Do Properties of Inequality or Differential Evolution have ads?

Neither Properties of Inequality nor Differential Evolution shows ads.

### Which is updated more often, Properties of Inequality or Differential Evolution?

Properties of Inequality ships an update every 64 months, and Differential Evolution daily. Most recently, Properties of Inequality was updated on October 28, 2026 and Differential Evolution on November 3, 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.*