# Differential Evolution vs Learn About Stars

The clearest difference is in-app purchases: Differential Evolution at none against Learn About Stars's 1. Differential Evolution also leads on update cadence (daily vs every 3 weeks) and iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Learn About Stars sells 1 one-off in-app purchase. Differential Evolution asks for nothing beyond the download.

Differential Evolution ships an update daily, Learn About Stars every 3 weeks. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Differential Evolution | Learn About Stars |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 33 MB | 48 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jakub Sosna](https://appshunter.io/developer/1610607884) | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) |

## What reviewers say

### Differential Evolution

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn About Stars

[App page](https://appshunter.io/ios/app/learn-about-stars/id6446816058)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Differential Evolution free?

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

### Is Learn About Stars free?

Learn About Stars is free to download, with in-app purchases available.

### Do Differential Evolution or Learn About Stars have ads?

Neither Differential Evolution nor Learn About Stars shows ads.

### Which is updated more often, Differential Evolution or Learn About Stars?

Differential Evolution ships an update daily, and Learn About Stars every 3 weeks. Most recently, Differential Evolution was updated on September 28, 2026 and Learn About Stars on October 7, 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.*