# La couleur des sons 1 vs Leçon Interactive Sciences CP

The clearest difference is price: Leçon Interactive Sciences CP at Free against La couleur des sons 1's $3.99. Leçon Interactive Sciences CP also leads on update cadence (every 6 months vs every 52 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Leçon Interactive Sciences CP is free to download; La couleur des sons 1 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

La couleur des sons 1 ships an update every 52 months, Leçon Interactive Sciences CP every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | La couleur des sons 1 | Leçon Interactive Sciences CP |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 6 months** |
| Size | 15 MB | 1.2 GB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [2953-8121 QUEBEC INC.](https://appshunter.io/developer/862579955) | [Éditions JOCATOP](https://appshunter.io/developer/1438112476) |

## What reviewers say

### La couleur des sons 1

[App page](https://appshunter.io/ios/app/la-couleur-des-sons-1/id1055389268)

**In-app purchases:** none


### Leçon Interactive Sciences CP

[App page](https://appshunter.io/ios/app/lecon-interactive-sciences-cp/id6752484985)

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

**In-app purchases:** none


## Frequently asked questions

### Is La couleur des sons 1 free?

La couleur des sons 1 costs $3.99, with no in-app purchases.

### Is Leçon Interactive Sciences CP free?

Leçon Interactive Sciences CP is free to download, with no in-app purchases.

### Do La couleur des sons 1 or Leçon Interactive Sciences CP have ads?

Neither La couleur des sons 1 nor Leçon Interactive Sciences CP shows ads.

### Which is updated more often, La couleur des sons 1 or Leçon Interactive Sciences CP?

La couleur des sons 1 ships an update every 52 months, and Leçon Interactive Sciences CP every 6 months. Most recently, La couleur des sons 1 was updated on November 2, 2026 and Leçon Interactive Sciences CP on October 30, 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.*