COA Mobile at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Utilities Medical
Developer: Matthew Yung
Price: 0 free
Current version: 1.2.1, last update: 7 years ago
First release : 14 Sep 2014
App size: 4.81 Mb
4.8 ( 128 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


The Common Otology Audit Group has maintained an award-winning web site (“COA”) at http://www.ear-audit.net to collect clinical data for study and comparison since 00’s. With the Mobile Device technology becoming more mature there has been calls to extend the service to users who worked at different clinics and might not have access to the internet at the time of data capturing. Moreover, to facilitate better understanding of patient’s condition a questionnaire is designed to be completed by the patient just before the appointment and will be reviewed by the user at the beginning of each appointment. The questionnaire will be stored on the database for future reference by the user via the COA web site.
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Available in countries
Country Price
Canada free
China free
France free
Germany free
Italy free
Netherlands free
Portugal free
Spain free
Poland free
UK free
India free
Japan free
Poland free
Russia free
Turkey free
USA free
Korea, Republic Of free
Ukraine free
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,