# WeatherGrid vs OpenAir

The clearest difference is in-app purchases: WeatherGrid at none against OpenAir's 3. WeatherGrid also leads on iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. OpenAir sells 3 one-off in-app purchases. WeatherGrid asks for nothing beyond the download.

## The numbers

| Metric | WeatherGrid | OpenAir |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/openair-window-weather/id6777466080/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Free |
| Size | 9 MB | 3 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Wolftech Dev Limited](https://appshunter.io/developer/1824956305) | [Smart Post App, LLC](https://appshunter.io/developer/591683240) |

## What reviewers say

### WeatherGrid

[App page](https://appshunter.io/ios/app/weathergrid/id6748276876)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenAir

[App page](https://appshunter.io/ios/app/openair-window-weather/id6777466080)

This app helps you decide the optimal time to open your windows for fresh air. It compares indoor comfort with outdoor weather conditions like temperature, dew point, humidity, rain, and wind to provide simple recommendations.

**Highlights:** Window opening recommendations, Indoor vs. outdoor condition comparison, Humidity and dew point monitoring, Rain and wind alerts, Simple open/close guidance, Fresh air optimization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is WeatherGrid free?

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

### Is OpenAir free?

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

### Do WeatherGrid or OpenAir have ads?

Neither WeatherGrid nor OpenAir 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.*