# Black Sky Weather vs Storm Window

The clearest difference is rating: Storm Window at 5.0 against Black Sky Weather's 4.4. Storm Window also leads on update cadence (every 5 days vs every 9 days) and device support (3 vs 1). Black Sky Weather's advantage is in-app purchases (none vs 4) and ratings volume (5 vs 1). On price, review sentiment and ads there is nothing between them.

Both are free to download. Storm Window sells 4 in-app purchases, starting at $2.99 per month. Black Sky Weather asks for nothing beyond the download.

Storm Window holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Black Sky Weather has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Black Sky Weather ships an update every 9 days, Storm Window every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Black Sky Weather | Storm Window |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/black-sky-weather/id6747352349/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/storm-window/id6794979076/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 53 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [YMMV](https://appshunter.io/developer/1224453829) | [Daniel Schumacher](https://appshunter.io/developer/1180212490) |

## What reviewers say

### Black Sky Weather

[App page](https://appshunter.io/ios/app/black-sky-weather/id6747352349)

This app offers real-time weather updates with a visually dynamic interface that changes color and background to reflect current conditions. It provides detailed forecasts, location-based data, and offline capabilities, all within a clean and intuitive design.

**Highlights:** Real-time temperature and conditions, Location-based forecasting, 7-day daily and 24-hour hourly predictions, Dynamic theme system adapting to temperature, Offline access to cached weather data, Multi-language support

**In-app purchases:** none


### Storm Window

[App page](https://appshunter.io/ios/app/storm-window/id6794979076)

This app transforms raw weather data into clear outdoor risk timelines, highlighting safe periods for outdoor activities. It considers factors like lightning, heat, wind, air quality, and rain to provide actionable guidance.

**Highlights:** Clear outdoor risk guidance, 48-hour hourly risk timeline, Lightning-aware storm risk, Heat, air quality, wind, UV, rain, snow context, National Weather Service alert awareness, Home Screen widgets and Apple Watch support, Activity-specific risk profiles (Pro)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Storm Window Pro Monthly | $2.99 | per month |
| Pro+ Monthly | $4.99 | per month |
| Storm Window Pro Annual | $19.99 | per year |
| Pro+ Annual | $29.99 | per year |


## Frequently asked questions

### Is Black Sky Weather free?

Black Sky Weather is free to download, with no in-app purchases.

### Is Storm Window free?

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

### Which has better reviews, Black Sky Weather or Storm Window?

Storm Window is rated higher. Black Sky Weather averages 4.4 out of 5 from 5 ratings, while Storm Window averages 5.0 from 1 ratings.

### Do Black Sky Weather or Storm Window have ads?

Neither Black Sky Weather nor Storm Window shows ads.

### Which is updated more often, Black Sky Weather or Storm Window?

Black Sky Weather ships an update every 9 days, and Storm Window every 5 days. Most recently, Black Sky Weather was updated on November 5, 2026 and Storm Window on November 6, 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.*