This board has ideas and resources to help you with your app design. You can also search Google using keywords such as "app sketches", "app design wireframe" and select "images" to see only the graphics for these words.
How Long Does It Take To Build An App? - While the question isn’t as timeless as “How many licks does it take to get to the center of a Tootsie Pop?” (spoiler alert: it is one that’s very dear to our community of mobile app developers.
I ca provide you a wireframe done in Pencil application to give you overview of the app flow.Given requirement and also number of screens, we can deliver the wireframe in couple of days. This hourlie is applicable only for 5 screens of iPhone.