Human interface guidelines (HIG) supplied by Apple will guide the iphone application developer on how to design the standard keyboard layout, the date picker, and the status bar. The three cardinal visions of Apple are deference, clarity and depth. To design a catching user-interface for iOS, iphone application developer or ipad application developer should do the study of the top apps in the iTunes and also try to fully comprehend Apple’s own UI guidelines. Just adhering to Apple guidelines won’t result in a nice UI, but you have to add your aesthetics to it. You may design the iOS app such that it is clear, simple, focused, and easy to navigate. Meanwhile, you should ensure that it keeps itself within the platform conventions of Apple.

Striking icons are an inevitable part of a well-designed iOS app. iphone app developers india and worldwide, have been focussed to build a special, eye-catching shape for the icon, centring on a small color palette. Better not to use text in the icon, but the design of the icon should indicate the content of the mobile app in a striking way. Do not overlook the designing of the icon, for it acquires a critical role when the app is downloaded to mobile devices. iOS 
is a treasure house which offers immense opportunities to the imaginative and the intelligent mobile app designer. Take it as a challenge and design a great iOS app.