*** From the Makers of Varsity Learning Tools - Best Education App - 2016 Appy Awards *** Preparing to take the AP World History exam? Work on your studying with the free Varsity Tutors AP World History app for Android-powered smartphones and tablets. The AP World History exam lasts 3 hours and 5 minutes and covers historical source material such as charts, images, maps, and text-based passages (all provided on the exam), as well as general knowledge questions. There is also a free response se