# Storm Window vs Fat Tail Weather

The clearest difference is in-app purchases: Fat Tail Weather at none against Storm Window's 4. Fat Tail Weather also leads on update cadence (daily vs every 5 days) and ratings volume (5 vs 1). Storm Window's advantage is device support (3 vs 1). On price, rating, 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. Fat Tail Weather asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Storm Window against 5.0 for Fat Tail Weather. That said, the two scores are not equally well evidenced: Fat Tail 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.

Storm Window ships an update every 5 days, Fat Tail Weather daily. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Storm Window | Fat Tail Weather |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/storm-window/id6794979076/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/fat-tail-weather/id6801604351/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 37 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Schumacher](https://appshunter.io/developer/1180212490) | [Cameron Melcher](https://appshunter.io/developer/6801604353) |

## What reviewers say

### Storm Window

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

This app provides clear outdoor risk guidance based on hourly weather data, highlighting safe times for outdoor activities. It accounts for lightning, heat, wind, air quality, and rain, offering tailored advice for various pursuits.

**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

**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 |


### Fat Tail Weather

[App page](https://appshunter.io/ios/app/fat-tail-weather/id6801604351)

Get real-time weather data directly from airport sensors, offering precise measurements instead of model estimates. View current conditions, forecasts, and aviation-inspired color codes for clarity. Know exactly what's happening with the weather, no guesswork involved.

**Highlights:** Live airport sensor readings, Precise weather measurements, Hourly and 7-day forecasts, Aviation color-coded conditions, Compass-guided wind arrow, Multiple location saving

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Storm Window free?

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

### Is Fat Tail Weather free?

Fat Tail Weather is free to download, with no in-app purchases.

### Which has better reviews, Storm Window or Fat Tail Weather?

Storm Window and Fat Tail Weather are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do Storm Window or Fat Tail Weather have ads?

Neither Storm Window nor Fat Tail Weather shows ads.

### Which is updated more often, Storm Window or Fat Tail Weather?

Storm Window ships an update every 5 days, and Fat Tail Weather daily. Most recently, Storm Window was updated on October 25, 2026 and Fat Tail Weather on October 20, 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.*