GeoGenious is an app designed to make learning about the United States fun and entertaining for all ages. Whether your 4th grader needs to get ready for the states and capitals test, or you want to learn the population of each state, GeoGenious is you app! In study mode, learn the states and capitals, their region, the year each state joined the Union, and the approximate population of the state. Once you are feeling smart, switch over to quiz mode to test your knowledge at random on all these different topics.