Thunderstorm Calculator at App Store analyse

App power index: 562 (based on ranks around App Stores today)
Weather Travel
Developer: Piet Jonas
Price: 0 free
Current version: 1.1.2, last update: 9 months ago
First release : 30 Aug 2010
App size: 18.04 Mb
4.6 ( 7376 ratings )
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Estimation application downloads and cost

> 12.36k
Monthly downloads
~ $ 5.06k
Estimation App Cost


This application calculates the distance of a thunder storm by measuring the time between a lightning and the corresponding thunder.

How to use:
- When you see the lightning press the Lightning button.
- Wait until you hear the thunder and press the Thunder button.
- Tap the distance to toggle between metric and imperial units.
- With the help of the history list you can see whether the storm comes closer and moves away.

Background:
The speed of light is much faster than the speed of sound. By measuring the time between the lightning and corresponding thunder one can easily approach the distance by multiplying the duration with the speed of sound.

Apple Watch version:
- distance calculation
- history list
- metric and imperial units
- has a Check for a quick start
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Available in countries
Country Price
Canada 0.99 CAD
China 8 CNY
France 0.99 EUR
Germany 0.99 EUR
Italy 0.99 EUR
Netherlands 0.99 EUR
Portugal 0.99 EUR
Spain 0.99 EUR
Poland 1.09 EUR
UK 0.99 GBP
India 99 INR
Japan 100 JPY
Korea, Republic Of 1100 KRW
Poland 4.99 PLN
Russia 99 RUB
Turkey 29.99 TRY
USA 0.99 USD
Korea, Republic Of 1.09 USD
Ukraine 0.99 USD
Available for devices
iPhone3GS, iPadWifi, iPad3G, iPhone4, iPodTouchThirdGen, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, Watch4, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,