# Differential Evolution vs Learn French Lang

The clearest difference is in-app purchases: Differential Evolution at none against Learn French Lang's 1. Differential Evolution also leads on update cadence (daily vs every 16 months) 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 French Lang sells 1 one-off in-app purchase. Differential Evolution asks for nothing beyond the download.

Differential Evolution ships an update daily, Learn French Lang every 16 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Differential Evolution | Learn French Lang |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 16 months |
| Size | 33 MB | 34 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 French Lang

[App page](https://appshunter.io/ios/app/learn-french-lang/id6448888401)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $9.99 | one-time |


## Frequently asked questions

### Is Differential Evolution free?

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

### Is Learn French Lang free?

Learn French Lang is free to download, with in-app purchases available.

### Do Differential Evolution or Learn French Lang have ads?

Neither Differential Evolution nor Learn French Lang shows ads.

### Which is updated more often, Differential Evolution or Learn French Lang?

Differential Evolution ships an update daily, and Learn French Lang every 16 months. Most recently, Differential Evolution was updated on September 28, 2026 and Learn French Lang on October 8, 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.*