iPhone UI - Amplifier App -
I have to warn you that is just an experiment and unfortunately there is no app like this in the App store®. I hope that one day someone help me to code this and make it real. It would be awesome! :-)
Said that let's take a look at the whole process. Let's go! :-)
As you can see in the following image this is the result about my sketching.
In the following images you can find the final wireframe of this UI.
So, in the following images you'll se the result of this step. But before take a look of details of this UI.
After that I always try to make the presentation of UI beautiful and realistic. This is the reason why I use mockups to make it more real. These mockup give the real feelings about UI, give the idea about entire UI and how it look in a real iPhone.
In the following images you'll he first examples of it.