# Dynamic Sky vs Hygrometer

The clearest difference is monetization model: Hygrometer at free against Dynamic Sky's free with in-app purchases. Hygrometer also leads on ratings volume (4 vs 1) and iOS requirement (17.0 vs 26.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Dynamic Sky against 5.0 for Hygrometer. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

## The numbers

| Metric | Dynamic Sky | Hygrometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/dynamic-sky/id6783867843/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/hygrometer-humidity-meter/id6795464345/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Sufyaan Ashraf](https://appshunter.io/developer/6773262763) | [Pixelated Development](https://appshunter.io/developer/389737341) |

## What reviewers say

### Dynamic Sky

[App page](https://appshunter.io/ios/app/dynamic-sky/id6783867843)

Experience weather visually with an animated sky that reflects real-time conditions. Get glanceable forecasts, plain-language summaries, and customizable sky styles. Live Activities keep you updated without opening the app.

**Highlights:** Animated living sky reflecting real weather, Live Activities for Dynamic Island and Lock Screen, Plain-language weather summaries, Hourly forecast and sunrise/sunset times, Five distinct customizable sky styles, Premium themes and living world animations (Pro)

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

**In-app purchases:** none


### Hygrometer

[App page](https://appshunter.io/ios/app/hygrometer-humidity-meter/id6795464345)

This app helps you monitor and prevent mold and condensation by calculating surface humidity, not just room humidity. It provides real-time alerts based on surface temperature and outdoor weather forecasts, and advises on optimal times to ventilate your home.

**Highlights:** Surface humidity calculation, Mold and condensation risk alerts, Dynamic humidity limits based on forecast, Ventilation advice (driest hour), HomeKit sensor integration, Manual data input, Outdoor weather data display

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

**In-app purchases:** none


## Frequently asked questions

### Is Dynamic Sky free?

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

### Is Hygrometer free?

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

### Which has better reviews, Dynamic Sky or Hygrometer?

Dynamic Sky and Hygrometer are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Dynamic Sky or Hygrometer have ads?

Neither Dynamic Sky nor Hygrometer 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.*