# CF Systèmes vs Absolute Humidity

The clearest difference is in-app purchases: CF Systèmes at none against Absolute Humidity's 1. CF Systèmes also leads on iOS requirement (13.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Absolute Humidity sells 1 one-off in-app purchase. CF Systèmes asks for nothing beyond the download.

## The numbers

| Metric | CF Systèmes | Absolute Humidity |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | — | Free with in-app purchases |
| Size | 102 MB | 3 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Agence Cinquante5](https://appshunter.io/developer/1167490817) | [Canalino Software](https://appshunter.io/developer/380877832) |

## What reviewers say

### CF Systèmes

[App page](https://appshunter.io/ios/app/cf-systemes/id6446024772)

**Features:** macOS Compatibility

**In-app purchases:** none


### Absolute Humidity

[App page](https://appshunter.io/ios/app/absolute-humidity-calculator/id6756280398)

This app helps manage indoor humidity by comparing indoor and outdoor conditions. It provides personalized advice on when to ventilate your rooms to maintain optimal air quality and prevent issues like mold or respiratory discomfort.

**Highlights:** Automatic absolute humidity calculation, Personalized ventilation advice, Weather integration for outdoor data, Intuitive interface with visualizations, Best practices for humidity management, Free and premium versions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Calculations | $0.99 | one-time |


## Frequently asked questions

### Is CF Systèmes free?

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

### Is Absolute Humidity free?

Absolute Humidity is free to download, with in-app purchases available.

### Do CF Systèmes or Absolute Humidity have ads?

Neither CF Systèmes nor Absolute Humidity shows ads.

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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.*