# Freyr Sunset vs Open Your Windows

The clearest difference is update cadence: Open Your Windows at every 5 days against Freyr Sunset's every 6 weeks. Open Your Windows also leads on review sentiment (100% vs 80%) and rating (4.9 vs 4.7). On price, ratings volume, 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.

Open Your Windows holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 10 and 11 respectively. Written reviews point the same way: 80% of Freyr Sunset's written reviews are positive against 100% of Open Your Windows's.

Freyr Sunset ships an update every 6 weeks, Open Your Windows every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Freyr Sunset | Open Your Windows |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (10 ratings)](https://appshunter.io/ios/app/freyr-sunset/id1605500146/reviews) | **[4.9 (11 ratings)](https://appshunter.io/ios/app/open-your-windows/id6762444284/reviews)** |
| Number of ratings | 10 | **11** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 44 MB | 4 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Davids](https://appshunter.io/developer/1605500148) | [Joeldco, LLC](https://appshunter.io/developer/1894163688) |

## What reviewers say

### Freyr Sunset

[App page](https://appshunter.io/ios/app/freyr-sunset/id1605500146)

This app helps you find the best times to watch sunsets. It uses forecasts to predict when a sunset will be particularly beautiful, encouraging you to experience the moment.

**Highlights:** Sunset prediction forecasts, Encourages outdoor viewing, Empirically tested accuracy, Focuses on the feeling of awe

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

**In-app purchases:** none


### Open Your Windows

[App page](https://appshunter.io/ios/app/open-your-windows/id6762444284)

This app provides a single, clear recommendation on whether to open your windows for fresh air. It analyzes temperature, humidity, air quality, pollen, and wind to give you a simple 'Open,' 'Maybe,' or 'Keep Closed' answer with a plain-English reason.

**Highlights:** Clear Open/Maybe/Closed recommendation, Plain-English reasoning, Short-term outlook, Home screen widget, Pollen sensitivity toggle, Privacy-focused design

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

**In-app purchases:** none


## Frequently asked questions

### Is Freyr Sunset free?

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

### Is Open Your Windows free?

Open Your Windows is free to download, with no in-app purchases.

### Which has better reviews, Freyr Sunset or Open Your Windows?

Open Your Windows is rated higher. Freyr Sunset averages 4.7 out of 5 from 10 ratings, while Open Your Windows averages 4.9 from 11 ratings.

### Do Freyr Sunset or Open Your Windows have ads?

Neither Freyr Sunset nor Open Your Windows shows ads.

### Which is updated more often, Freyr Sunset or Open Your Windows?

Freyr Sunset ships an update every 6 weeks, and Open Your Windows every 5 days. Most recently, Freyr Sunset was updated on October 24, 2026 and Open Your Windows on October 24, 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.*