# EF Scale vs Unity Weather

The clearest difference is rating: EF Scale at 4.5 against Unity Weather's 3.8. EF Scale also leads on review sentiment (67% vs 25%). Unity Weather's advantage is update cadence (every 5 months vs every 20 months) and iOS requirement (16.0 vs 26.0). 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.

EF Scale holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 67% of EF Scale's written reviews are positive against 25% of Unity Weather's.

EF Scale ships an update every 20 months, Unity Weather every 5 months. The most recent releases landed on August 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | EF Scale | Unity Weather |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/ef-scale/id418856071/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/unity-weather/id1602147087/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | **66.7% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 18 MB | 7 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WeatherWary LLC](https://appshunter.io/developer/418856074) | [Joel Rainwater](https://appshunter.io/developer/1602147089) |

## What reviewers say

### EF Scale

[App page](https://appshunter.io/ios/app/ef-scale/id418856071)

Assess tornado and wind damage with this tool that simplifies the Enhanced Fujita (EF) Scale. Follow on-screen prompts to select damage indicators and degrees of damage, then adjust for construction variability to estimate wind speeds.

**Highlights:** Simplified EF Scale assessment, Damage indicator selection, Degree of damage input, Construction variability adjustment, Visual damage examples, About and share functions

**Features:** Vision Pro support

**In-app purchases:** none


### Unity Weather

[App page](https://appshunter.io/ios/app/unity-weather/id1602147087)

This weather application displays all measurements in both metric and imperial units simultaneously. It provides temperature in Fahrenheit and Celsius, wind speed in km/h and mph, and pressure in hPa and inHg, among other metrics.

**Highlights:** Dual unit display (metric & imperial), Temperature in °F and °C, Wind speed in km/h and mph, Pressure in hPa and inHg, Future feature roadmap available

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

**In-app purchases:** none


## Frequently asked questions

### Is EF Scale free?

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

### Is Unity Weather free?

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

### Which has better reviews, EF Scale or Unity Weather?

EF Scale is rated higher. EF Scale averages 4.5 out of 5 from 4 ratings, while Unity Weather averages 3.8 from 4 ratings.

### Do EF Scale or Unity Weather have ads?

Neither EF Scale nor Unity Weather shows ads.

### Which is updated more often, EF Scale or Unity Weather?

EF Scale ships an update every 20 months, and Unity Weather every 5 months. Most recently, EF Scale was updated on August 8, 2026 and Unity Weather on September 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.*