# Relative Wind Compass vs Window Air

The clearest difference is in-app purchases: Relative Wind Compass at none against Window Air's 1. Window Air's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Window Air sells 1 in-app purchase, starting at $4.99 per month. Relative Wind Compass asks for nothing beyond the download.

## The numbers

| Metric | Relative Wind Compass | Window Air |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 5 MB | 30 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jared Kaeb](https://appshunter.io/developer/1770504393) | [JUHWAN PARK](https://appshunter.io/developer/1790125318) |

## What reviewers say

### Relative Wind Compass

[App page](https://appshunter.io/ios/app/relative-wind-compass/id6772013585)

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

**In-app purchases:** none


### Window Air

[App page](https://appshunter.io/ios/app/window-air-open-or-vent-now/id6782743265)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Full Access | $4.99 | per month |


## Frequently asked questions

### Is Relative Wind Compass free?

Relative Wind Compass is free to download, with no in-app purchases.

### Is Window Air free?

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

### Do Relative Wind Compass or Window Air have ads?

Neither Relative Wind Compass nor Window Air shows ads.

---

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