# Humidity Window vs Ventify

The clearest difference is price: Humidity Window at Free against Ventify's $0.99. Humidity Window also leads on update cadence (every 2 weeks vs every 2 months). Ventify's advantage is in-app purchases (none vs 3). On review sentiment, ads, device support and iOS requirement there is nothing between them.

Humidity Window is free to download; Ventify costs $0.99 up front. Humidity Window sells 3 in-app purchases, starting at $0.99 per year. Ventify asks for nothing beyond the download.

Humidity Window ships an update every 2 weeks, Ventify every 2 months. The most recent releases landed on September 28, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Humidity Window | Ventify |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/humidity-window-stoluften/id6742206262/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 83 MB | 1 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tiago Mendes](https://appshunter.io/developer/1235886918) | [Johannes Bauer](https://appshunter.io/developer/1517004006) |

## What reviewers say

### Humidity Window

[App page](https://appshunter.io/ios/app/humidity-window-stoluften/id6742206262)

This app acts as a digital hygrometer, tracking outdoor humidity and providing personalized advice on when to ventilate your home. It helps prevent mold growth and improve indoor air quality by suggesting optimal times to open windows. Monitor key weather metrics and receive instant updates via a home widget.

**Highlights:** Outdoor humidity tracking (relative & absolute), Dew point comfort visualization, Personalized ventilation advice, Detailed weather metrics (wind, temp, pressure), Home screen widget for instant updates, Lightweight and privacy-focused design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drop in the Bucket | $0.99 | per year |
| Splash of Support | $2.99 | per year |
| Monsoon of Love | $6.99 | per year |


### Ventify

[App page](https://appshunter.io/ios/app/ventify/id6745443594)

This app analyzes indoor and outdoor conditions to advise on optimal ventilation for humidity control. It converts relative humidity to absolute values, providing clear recommendations on whether airing out a room is beneficial. Supports HomeKit and automatic weather data retrieval.

**Highlights:** Absolute humidity calculation, Ventilation recommendations, HomeKit integration, Automatic weather data, Celsius and Fahrenheit support, Sensor integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Humidity Window free?

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

### Is Ventify free?

Ventify costs $0.99, with no in-app purchases.

### Do Humidity Window or Ventify have ads?

Neither Humidity Window nor Ventify shows ads.

### Which is updated more often, Humidity Window or Ventify?

Humidity Window ships an update every 2 weeks, and Ventify every 2 months. Most recently, Humidity Window was updated on September 28, 2026 and Ventify on September 22, 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.*