The app is divided into 11 periods: the Colonial Era, the birth of America, early national era, civil war, reconstruction, the gilded age, world war 1 and 2, the cold war, the Space Age, computer age and the recent war on terror. The first 3 periods are free. For remaining 8, a single in-app purchase is required.
The app carefully maps the political history of America as well as aspects of popular culture and modernization. Topics covered include the French and Indian War, the Boston Tea Party, the American Constitution, Battle of Gettysburg, all the American Presidents, major monuments, Oklahoma Gold Rush, the Great Depression, atomic bombings, Armstrong's moon landing, etc. All the leading political figures are covered including various figures in the field of sports, music, movies, etc.
With this app, you now have American history right at your fingertips.