UI Sketching and mockups is my favorite part. Once you create a mockup on Photoshop or any other editing tool, you always want to see it in action before you start bringing it to life. I just stumbled upon a very simple and lovely app called Mockibilly that let’s you demonstrate your iPhone app mockups on an iPhone. Check out this video, it explains all:

You can get Mockibilly here from the App store. You can also try the free lite version first before you plan to buy.

[via G02WEB2.0]