EF Scale vs White Squirrel Weather
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EF Scale
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.
- Simplified EF Scale assessment
- Damage indicator selection
- Degree of damage input
- Construction variability adjustment
- Visual damage examples
- About and share functions
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Rate tornado damage the way surveyors do. EF Scale puts the complete Enhanced Fujita scale on your iPhone, iPad, and Mac — all 28 damage indicators, every degree of damage, and the expected wind speeds behind each rating. Browse structure types from small barns and family residences to high-rise buildings, transmission lines, and trees. Compare what you see against reference photos and construction details, then pick a degree of damage and tune the wind speed estimate between its bounds to account for construction quality. • All 28 damage indicators of the Enhanced Fujita scale • Reference photos and construction details for every indicator • Degrees of damage with expected wind speeds and EF ratings • Interactive wind speed estimator with adjustable bounds • EF0–EF5 rating reference, always a tap away • Everything stored on device — works fully offline in the field Built for storm spotters, damage surveyors, emergency managers, students, and weather enthusiasts. *** PLEASE REMEMBER: This app is for reference purposes only. Doing a real damage survey takes knowledge and experience you can't build into an app! Official damage assessments are the business of the National Weather Service and their delegates! ***
White Squirrel Weather
Get hyper-local weather information and forecasts for a specific campus community. Monitor real-time conditions including atmosphere, ground, and water, with detailed insights for emergency preparedness and daily planning.
- Localized weather conditions
- Real-time monitoring
- Hourly forecasts
- Campus sky camera
- Radar and precipitation data
- Soil conditions
- Wet bulb globe temperature
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The most localized weather conditions and forecasts are now available to you! Access real-time weather monitoring & prediction services for weather hazard emergency preparedness & awareness for the WKU campus community. Have access to all the information our sensors provide. Atmosphere, ground, and water … we cover them all! What will you find? - current campus weather conditions - hourly forecasts - nearest lightning - campus sky camera - radar - precipitation - wind - soil wetness - soil temperature - wet bulb globe temperature - on and off-field conditions at the stadium - and so much more! Are you wondering what to wear as you head to class? Preparing for the big game? Or just taking a stroll across campus? The weather never stops so stay in touch with White Squirrel Weather.
Screenshots
Verdict
The clearest difference is rating: White Squirrel Weather at 5.0 against EF Scale's 4.5. White Squirrel Weather also leads on review sentiment (100% vs 67%) and update cadence (every 3 months vs every 20 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
White Squirrel Weather holds the better App Store score, 5.0 against 4.5. 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 100% of White Squirrel Weather's.
EF Scale ships an update every 20 months, White Squirrel Weather every 3 months. The most recent releases landed on August 8, 2026 and June 1, 2026 respectively.
| Parameter | EF Scale | White Squirrel Weather |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 4 |
| Update frequency | Every 20 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | WeatherWary LLC | WeatherSTEM Inc. |
Customer experience
EF Scale
White Squirrel Weather
In-app purchases
EF Scale
No in-app purchases
White Squirrel Weather
No in-app purchases
Questions
Is EF Scale free?
Is White Squirrel Weather free?
Which has better reviews, EF Scale or White Squirrel Weather?
Do EF Scale or White Squirrel Weather have ads?
Which is updated more often, EF Scale or White Squirrel Weather?
Other comparisons
