# EF Scale vs Storm Tracker°

The clearest difference is in-app purchases: EF Scale at none against Storm Tracker°'s 8. EF Scale also leads on ads (none vs shown) and review sentiment (67% vs 46%). Storm Tracker°'s advantage is update cadence (every 2 months vs every 20 months) and ratings volume (82K vs 4). On price, rating and device support there is nothing between them.

Both are free to download. Storm Tracker° sells 8 in-app purchases, starting at $2.99 per 7 days. EF Scale asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for EF Scale against 4.6 for Storm Tracker°. That said, the two scores are not equally well evidenced: Storm Tracker° has 82K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 67% of EF Scale's written reviews are positive against 46% of Storm Tracker°'s.

EF Scale ships an update every 20 months, Storm Tracker° every 2 months. The most recent releases landed on October 4, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | EF Scale | Storm Tracker° |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/ef-scale/id418856071/reviews) | **[4.6 (82K ratings)](https://appshunter.io/ios/app/storm-tracker/id945662980/reviews)** |
| Number of ratings | 4 | **82K** |
| Positive reviews | **66.7% of reviews** | 46.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#60** |
| Size | 18 MB | 299 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WeatherWary LLC](https://appshunter.io/developer/418856074) | [Impala Studios](https://appshunter.io/developer/1063279743) |

## 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


### Storm Tracker°

[App page](https://appshunter.io/ios/app/storm-tracker/id945662980)

**Currently charting:** #60 Top Grossing · Weather (US App Store)

Track severe weather events like storms, tornadoes, and hurricanes with real-time radar and forecasts. Get NOAA alerts for floods and other hazards. Monitor weather patterns up to 10 days in advance.

**Highlights:** Live storm tracking, Doppler radar for rain and snow, NOAA weather warnings and alerts, Hourly and 10-day forecasts, HD quality map, Unlimited locations

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $2.99 | per 7 days |
| Full Access for a Week | $3.99 | per 7 days |
| Full Access for a Week | $4.99 | per 7 days |
| Annual Limited Time Offer | $9.99 | per year |
| Limited Time Offer | $14.99 | per year |
| Annual Premium Subscription | $19.99 | per year |
| Annual full access with no ads | $19.99 | per year |
| Annual full access with no ads | $24.99 | per year |

**What reviewers like**

- 🚀 Accurate weather forecasts
- 🔍 Detailed radar imagery
- 💡 Helpful storm tracking features
- 👍 Easy to use interface

**What reviewers complain about**

- 🔔 Excessive notifications and alerts
- 💰 Paywall for advanced features
- 📺 Intrusive ads
- 🐛 Inaccurate weather data in some areas

**Reported bugs**

- Weather data not updating in real-time
- App crashing or freezing on some devices
- Saved locations not syncing properly

**Requested features**

- Add wind speed indicator
- Improve radar coverage in remote areas
- Provide more customization options
- Offer a one-time purchase option instead of subscription


## Frequently asked questions

### Is EF Scale free?

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

### Is Storm Tracker° free?

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

### Which has better reviews, EF Scale or Storm Tracker°?

Storm Tracker° is rated higher. EF Scale averages 4.5 out of 5 from 4 ratings, while Storm Tracker° averages 4.6 from 82K ratings.

### Do EF Scale or Storm Tracker° have ads?

Storm Tracker° shows ads; EF Scale does not.

### Which is updated more often, EF Scale or Storm Tracker°?

EF Scale ships an update every 20 months, and Storm Tracker° every 2 months. Most recently, EF Scale was updated on October 4, 2026 and Storm Tracker° on October 19, 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.*