[Proto.io is a mobile app prototyping tool used by entrepreneurs and startups to create fully-interactive realistic prototypes that look and feel like real apps.] We asked seven UI designers ...

Are rules made to be broken? It really depends on the rule. In the world of mobile app UI design, there is some wiggle room when it comes to things like aesthetics, gestures, and animations.

With over 14 years of experience in mobile application development and ... approach in which a server dictates how an app's UI should look and behave rather than having the UI logic hard-coded ...