I'll build your app that will work on android and iphone I'll do it using
JavaScript JSON, XML, JavaScript JS, CSS, PHP, HTML
Software Framework PhoneGap
Software Version iOS 9.0.x, iOS 8.4.x, iOS 8.3.x, iOS 8.2.x, iOS 8.1.x, iOS 8.0.x, iOS 7.0.x, iOS 6.1.x, iOS 6.0, Android 6.0, Android 5.1 .x, Android 5.0, Android 4.4.x, Android 4.3.x, Android 4.2.x