# Ventify vs Schmuddelwetter

The clearest difference is price: Schmuddelwetter at Free against Ventify's $0.99. Schmuddelwetter 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.

Schmuddelwetter is free to download; Ventify costs $0.99 up front. Schmuddelwetter sells 3 one-off in-app purchases. Ventify asks for nothing beyond the download.

Ventify ships an update every 2 months, Schmuddelwetter every 2 weeks. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Ventify | Schmuddelwetter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 112 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Bauer](https://appshunter.io/developer/1517004006) | [Dennis Schweitzer](https://appshunter.io/developer/6803944095) |

## What reviewers say

### 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


### Schmuddelwetter

[App page](https://appshunter.io/ios/app/schmuddelwetter-rain-radar/id6803944093)

Get detailed weather forecasts, animated radar, and severe weather alerts for Germany. Customize rain predictions, view storm and wind maps, and receive personalized warnings. Includes a daily weather report and augmented reality sun finder.

**Highlights:** 60-minute precipitation forecast in 5-minute steps, Animated rain radar with timeline, Severe weather warnings (DWD), Customizable rain alerts, Storm, wind, and cloud maps, Daily weather report, AR sun finder

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Fries | $1.99 | one-time |
| Large Special Fries | $3.99 | one-time |
| Lifetime Fries Supply | $8.99 | one-time |


## Frequently asked questions

### Is Ventify free?

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

### Is Schmuddelwetter free?

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

### Do Ventify or Schmuddelwetter have ads?

Neither Ventify nor Schmuddelwetter shows ads.

### Which is updated more often, Ventify or Schmuddelwetter?

Ventify ships an update every 2 months, and Schmuddelwetter every 2 weeks. Most recently, Ventify was updated on November 8, 2026 and Schmuddelwetter on November 10, 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.*