# Rayons vs Absolute Humidity

The clearest difference is price: Absolute Humidity at Free against Rayons's $4.99. Absolute Humidity also leads on iOS requirement (18.6 vs 26.0). Rayons's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Absolute Humidity is free to download; Rayons costs $4.99 up front. Absolute Humidity sells 1 one-off in-app purchase. Rayons asks for nothing beyond the download.

## The numbers

| Metric | Rayons | Absolute Humidity |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 3 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Timothy P Miller](https://appshunter.io/developer/1487535197) | [Canalino Software](https://appshunter.io/developer/380877832) |

## What reviewers say

### Rayons

[App page](https://appshunter.io/ios/app/rayons/id1487535198)

**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 Rayons free?

Rayons costs $4.99, with no in-app purchases.

### Is Absolute Humidity free?

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

### Do Rayons or Absolute Humidity have ads?

Neither Rayons 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.*