London 2012, NBC Olympics, 9 Innings: Pro Baseball 2013 and more on this week's top free iOS apps

Olympic themed apps top the charts this week as millions of people turn to their smartphones and tablets to get the latest updates to scores and watch live coverage. NBC’s NBC Olympics Live Extra and NBC Olympics apps take the No. 1 and No. 2 spots on both the  iPhone and iPad charts. The official app, London 2012: Official Results App takes the No. 4 spot on the iPhone and iPad charts, while the other officially licensed app London 2012: Official Join In App, takes the No.