Android vs. iPhone. Free App vs. Paid App Developers

1. Which smartphone platform is being used by the population
2. Which smartphone platform people bought in the past six months

U.S. Smartphone Market: Who’s the Most Wanted?

I took Nielsen’s two pie charts and created a single bar chart to help us visualize the response to both of these questions in a single picture. The left (blue) bar in each pair represents a platform’s marketshare in the entire installed base of smartphones in the U.S.