# Parent Responsable vs Coef

The clearest difference is iOS requirement: Parent Responsable at 14.0 against Coef's 16.4. On price, update cadence, 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.

Parent Responsable ships an update every 11 days, Coef every 6 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Parent Responsable | Coef |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Size | 134 MB | 100 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [GROUPE GUY ATTABOTH INTERNATIONAL](https://appshunter.io/developer/1895357875) | [Noe Guerin](https://appshunter.io/developer/6801919207) |

## What reviewers say

### Parent Responsable

[App page](https://appshunter.io/ios/app/parent-responsable/id6763526336)

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

**In-app purchases:** none


### Coef

[App page](https://appshunter.io/ios/app/coef/id6805438755)

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

**In-app purchases:** none


## Frequently asked questions

### Is Parent Responsable free?

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

### Is Coef free?

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

### Do Parent Responsable or Coef have ads?

Neither Parent Responsable nor Coef shows ads.

### Which is updated more often, Parent Responsable or Coef?

Parent Responsable ships an update every 11 days, and Coef every 6 days. Most recently, Parent Responsable was updated on November 5, 2026 and Coef on November 6, 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.*