# Aerzeit vs Skyward

The clearest difference is price: Aerzeit at Free against Skyward's $1.99. Aerzeit also leads on iOS requirement (16.4 vs 26.0). Skyward's advantage is in-app purchases (none vs 1). On rating, ratings volume, update cadence and ads there is nothing between them.

Aerzeit is free to download; Skyward costs $1.99 up front. Aerzeit sells 1 in-app purchase, starting at $9.99 per year. Skyward asks for nothing beyond the download.

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

Aerzeit ships an update every 3 days, Skyward every 5 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Aerzeit | Skyward |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/aerzeit-when-to-open-windows/id6787749300/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/skyward/id6808798653/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | **Freemium** | Paid |
| Size | 27 MB | 7 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Harrold](https://appshunter.io/developer/6775297361) | [Ahmed Khelifi](https://appshunter.io/developer/1844934868) |

## What reviewers say

### Aerzeit

[App page](https://appshunter.io/ios/app/aerzeit-when-to-open-windows/id6787749300)

This app analyzes outdoor conditions for the next 48 hours to identify optimal times for ventilation. It allows customization of temperature ranges and environmental factors like rain, humidity, and pollen to help you decide when to open windows.

**Highlights:** 48-hour outdoor condition forecast, Customizable temperature ranges, Rain, humidity, wind, air quality, pollen filters, UV and sun position tracking, Apple Watch app and complication, Home Screen widget, Multi-language support

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aerzeit Premium | $9.99 | per year |


### Skyward

[App page](https://appshunter.io/ios/app/skyward/id6808798653)

This app provides detailed weather forecasts for up to 30 days, with longer-range outlooks up to 6 months. It offers clear charts, radar, historical comparisons, and tide information to help users understand weather patterns.

**Highlights:** 30-day detailed forecasts, 6-month long-range outlooks, Rain radar and weather maps, Tide information, Historical weather comparisons, Customizable weather tiles, Smart weather alerts

**In-app purchases:** none


## Frequently asked questions

### Is Aerzeit free?

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

### Is Skyward free?

Skyward costs $1.99, with no in-app purchases.

### Which has better reviews, Aerzeit or Skyward?

Aerzeit and Skyward are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Aerzeit or Skyward have ads?

Neither Aerzeit nor Skyward shows ads.

### Which is updated more often, Aerzeit or Skyward?

Aerzeit ships an update every 3 days, and Skyward every 5 days. Most recently, Aerzeit was updated on October 31, 2026 and Skyward on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*