# MadarStop vs GS La Vallée des Sciences

The clearest difference is update cadence: MadarStop at every 4 months against GS La Vallée des Sciences's every 14 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.

MadarStop ships an update every 4 months, GS La Vallée des Sciences every 14 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | MadarStop | GS La Vallée des Sciences |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Size | 36 MB | 39 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Youssef Ait Lhaj](https://appshunter.io/developer/1633052276) | [BOTI EDUCATION](https://appshunter.io/developer/1294244668) |

## What reviewers say

### MadarStop

[App page](https://appshunter.io/ios/app/madarstop/id1642115740)

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

**In-app purchases:** none


### GS La Vallée des Sciences

[App page](https://appshunter.io/ios/app/gs-la-vallee-des-sciences/id6467423343)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MadarStop free?

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

### Is GS La Vallée des Sciences free?

GS La Vallée des Sciences is free to download, with no in-app purchases.

### Do MadarStop or GS La Vallée des Sciences have ads?

Neither MadarStop nor GS La Vallée des Sciences shows ads.

### Which is updated more often, MadarStop or GS La Vallée des Sciences?

MadarStop ships an update every 4 months, and GS La Vallée des Sciences every 14 months. Most recently, MadarStop was updated on November 3, 2026 and GS La Vallée des Sciences on October 27, 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.*