# Le Décodeur vs Défi sans auto solo

The clearest difference is update cadence: Défi sans auto solo at weekly against Le Décodeur's every 5 months. Défi sans auto solo also leads on monetization model (free vs ad-supported). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Le Décodeur ships an update every 5 months, Défi sans auto solo weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Le Décodeur | Défi sans auto solo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **14.3% of reviews** | 11.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 34 MB | 90 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Protégez-Vous](https://appshunter.io/developer/524994420) | [Jeu vert inc.](https://appshunter.io/developer/1474561890) |

## What reviewers say

### Le Décodeur

[App page](https://appshunter.io/ios/app/le-decodeur/id1612686402)

This app helps you make informed purchasing decisions by decoding eco-labels and analyzing cosmetic product ingredients. Scan labels to understand their meaning, scope, and reliability, and learn about ingredient risks based on product use.

**Highlights:** Scan eco-labels on various products, Analyze cosmetic ingredient risks, Understand eco-label meaning and reliability, Contribute by sharing eco-label photos, Quick access ingredient and eco-label directory

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

**In-app purchases:** none


### Défi sans auto solo

[App page](https://appshunter.io/ios/app/defi-sans-auto-solo/id1635556895)

This app promotes sustainable transportation by encouraging employees and students to reduce solo car trips. Participants can explore active transit, public transport, or teleworking, becoming ambassadors for eco-friendly commuting.

**Highlights:** Sustainable transportation education, Reduce solo car trips, Active transportation, Public transit, Teleworking, Company competition

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Le Décodeur free?

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

### Is Défi sans auto solo free?

Défi sans auto solo is free to download, with no in-app purchases.

### Do Le Décodeur or Défi sans auto solo have ads?

Neither Le Décodeur nor Défi sans auto solo shows ads.

### Which is updated more often, Le Décodeur or Défi sans auto solo?

Le Décodeur ships an update every 5 months, and Défi sans auto solo weekly. Most recently, Le Décodeur was updated on November 3, 2026 and Défi sans auto solo 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.*