When designing an app for the iPhone, iPad, Android or even for the web, it’s important to take into account not only visually interesting design elements, but also the functional design elements. Particularly on today’s high-tech mobile devices that integrate touch functionality, speakers, a camera and a keypad, integrating the functionality of all these inputs can be difficult.

However, these inputs and functions can also allow for some really cool apps, like a DJ turntable app or a piano app.

Check out these awesome functional app user interface designs:

Music App by Diego Monzon

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