I\'m trying to replicate a layout that I currently have in an Android application, but I don\'t know how to go about it in iOS especially because of the tallness of the iPho
This can be done automatically when using Storyboards (you might have to change a setting or two here and there). When you create your GUI, you can toggle between the screen sizes (3.5 and 4 inch) to make sure that it will look good on both. See the answer to this question.
You could also see this tutorial. That should give you an idea on how to work with the GUI layouts.