I would like to develop an iPhone app that will take the an iPhone's location data over time and make a map out of it. I would like the result to look similar to this graphic: https://www.dropbox.com/s/xeznr79t
Ideally, the app could tap into existing historic GPS data that the phone already stores. If the user first had to download the app, then begin tracking - this would not work.
Please reply with the method you suggest for accomplishing this along with your cost and turnaround estimate.
I look forward to working with you.