# OpenWindow vs Coolhouse

The clearest difference is update cadence: OpenWindow at every 3 days against Coolhouse's weekly. OpenWindow also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpenWindow ships an update every 3 days, Coolhouse weekly. The most recent releases landed on September 30, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OpenWindow | Coolhouse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openwindow-weather-tracker/id6774467528/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free | — |
| Size | 34 MB | 43 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ritwik Takkar](https://appshunter.io/developer/1525888535) | [Arnaud Allouis](https://appshunter.io/developer/6782636323) |

## What reviewers say

### OpenWindow

[App page](https://appshunter.io/ios/app/openwindow-weather-tracker/id6774467528)

This app provides clear, practical recommendations on whether to open windows or go outside based on local weather and air quality. It simplifies complex data into easy-to-understand guidance for everyday decisions.

**Highlights:** Window opening recommendations, Outdoor activity guidance, Hourly weather outlooks, Air quality data integration, Current and manual location search, Customizable units, Light and dark mode

**Features:** Vision Pro support

**In-app purchases:** none


### Coolhouse

[App page](https://appshunter.io/ios/app/coolhouse/id6782636321)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenWindow free?

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

### Is Coolhouse free?

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

### Do OpenWindow or Coolhouse have ads?

Neither OpenWindow nor Coolhouse shows ads.

### Which is updated more often, OpenWindow or Coolhouse?

OpenWindow ships an update every 3 days, and Coolhouse weekly. Most recently, OpenWindow was updated on September 30, 2026 and Coolhouse on September 9, 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.*