D+R Balance at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Health & Fitness Medical
Developer: triball
Price: 0 free
Current version: 2.0, last update: 5 years ago
First release : 19 Mar 2014
App size: 1.38 Mb
4.2 ( 6912 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


D+R Balance uses hardware technology within the iPhone to assess postural sway (posturography) and rotation on Fukuda step testing.

Postural sway, or posturography, can be recorded by attaching the iPhone to a subject whilst performing a Standard Romberg or Tandem Romberg test. Subject movement is recorded in three planes and data used to generate the volume of an ellipsoid (mean and SD deviations are also presented). The iPhone may be attached to a subject at the waist, arm or on the lower limb. The application has been used to assess improvement in vestibular function, this study was awarded an Innovation Prize by the Chartered Society of Physiotherapists.

The application can also assess the extent of rotation on Fukuda, or Unterberger test. The device is held by the subject and the extent of rotation is presented on the iPhone screen.
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Available in countries
Country Price
Canada 25.99 CAD
China 123 CNY
France 20.99 EUR
Germany 20.99 EUR
Italy 20.99 EUR
Netherlands 20.99 EUR
Portugal 20.99 EUR
Spain 20.99 EUR
UK 18.99 GBP
India 999.99 INR
Japan 999.99 JPY
Korea, Republic Of 999.99 KRW
Poland 89.99 PLN
Russia 999.99 RUB
Turkey 129.99 TRY
USA 18.99 USD
Korea, Republic Of 20.89 USD
Ukraine 18.99 USD
Available for devices
iPhone3GS, iPhone4, 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,