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App Store Apps > Utilities > Spin-a-Wind
Spin-a-Wind icon

Spin-a-Wind

by Len Robinson · Utilities · $2.99
On the App Store since before 2010 · Data updated 2026-10-17
App Store

Spin-a-Wind is made and published by Len Robinson. AppBrain is an independent app data site and isn't affiliated with Len Robinson. The app name, icon, screenshots and description belong to Len Robinson and are shown as published on the App Store.

AppBrain's verdict

Established
Rating on App Store
4.61
44 ratings
Last updated
January 23, 2015

It doesn't have enough ratings yet to judge what users think.

Rankings

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Releases

Updates seen on the App Store
Version
2.7.1
Launched
before 2010

No changelog data

User feedback

Ratings and reviews on the App Store

Comments on Spin-a-Wind for iOS

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Technology

Found in the app by AppBrain
Price
$2.99
App size
10.4 MB
Content rating
Everyone

Technologies used by Spin-a-Wind

About the app and developer

About Spin-a-Wind

Spin-a-Wind is an utilities app developed by Len Robinson.

User Ratings

Spin-a-Wind is rated 4.61 out of 5 stars. The rating is based on 44 ratings.

App Information

Spin-a-Wind costs $2.99. The app size is 10.40 MB. The latest version available is 2.7.1. The last update was on January 23, 2015.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since before 2010.

Developer information for Len Robinson

Len Robinson

Address:

Frequently asked questions about Spin-a-Wind

Is Spin-a-Wind free?

No. Spin-a-Wind costs $2.99 on the App Store.

Is Spin-a-Wind still available?

Yes. Spin-a-Wind is on the App Store, and the last update we saw was on January 23, 2015.

How large is Spin-a-Wind?

Spin-a-Wind is 10.40 MB.

Is Spin-a-Wind suitable for children?

App Store rates the content of Spin-a-Wind as suitable for everyone.

How do people rate Spin-a-Wind?

Spin-a-Wind scores 4.61 out of 5 stars, from 44 ratings on the App Store.

Who made Spin-a-Wind?

Spin-a-Wind was developed by Len Robinson. It is listed in the utilities category on the App Store.

What are the best alternatives to Spin-a-Wind?

People looking at Spin-a-Wind also look at these utilities apps: xWind, Extended Rest Operations, Zulu Time Widget - GMT/UTC, Fast Breaks, Crew Rest.

Share Spin-a-Wind

Store listing

By Len Robinson, from the App Store
Spin-a-Wind Screenshot 1 of 5
Spin-a-Wind Screenshot 2 of 5
Spin-a-Wind Screenshot 3 of 5
Spin-a-Wind Screenshot 4 of 5
Spin-a-Wind Screenshot 5 of 5
Screenshots by Len Robinson, from the the App Store listing
Description by Len Robinson Written by the developer, not by AppBrain. Click to read.
Featured in Flying Magazine July 2012 "8 Great Aviation Apps"!
Reviewed favorably on AOPA Flight Planning App Roulette 20 Nov 2012

Designed by an airline pilot, Spin-a-Wind calculates wind components, temperatures, altitudes and airspeeds.

The headwind (tailwind) and crosswind components are based on the runway, and reported wind direction and speed. If the airport has parallel runways, using the runway number closest to the actual magnetic heading of the runway gives the most accurate results. The result is also displayed graphically. Crosswind and tailwind components are rounded up, while the headwind component is rounded down, making sure that all results depict the worst case. To instantly change to the opposite (reciprocal) runway, tap the runway number at the far end.

Spinning reels are used to make your selections. No keyboard is necessary. Results of calculations are displayed instantly when the last reel stops. The app was designed for one handed use, and ease of operation.

The second item on the tab bar links you to a page with temperature conversions. Enter the temperature in degrees Celsius, and instantly the Fahrenheit conversion is displayed, as well as the chill factor in °C and °F using the NWS Wind Chill index used by the U.S. and Canada. (note: the NWS Wind Chill index is not valid for greater than 50°F or less than 3 mph of wind. Relative Humidity and Heat Stress Index are calculated using the entered Dewpoint Temperature.

The third item deals with altitudes, metric, pressure altitude and density altitude. Density altitude is diaplayed for assumed dry air, and also moist air (based upon the temp/dewpoint spread entered in the temperature page.

The fourth item is the Airspeed Calculator. It uses equations for TAS, mach, and speed of sound. The equations used will be accurate even for the higher speeds of jet aircraft.

The fifth item on the tab bar moves the view to the settings page. Here, you can set your display speed units (kts, mph, kph) and pressure units(inHg, hPa, mb) as well as the threshold points where the wind results turn amber (caution zone) and red (aircraft limits).
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