About 82 percent of the top 50 iPhone or iPod touch apps are games, compared to 36 percent of the top 50 iPad apps.
The top iPad app categories among the top 50 are Games (36%), Content (28%, includes news, video), Productivity (20%), and Utilities (16%, includes weather).
The top iPhone app categories among the top 50 are Games (82%, includes gag apps) and Utilities (18%, includes weather, social networking).
The average top-25 paid iPhone app was $1.51, versus $5.79 on the iPad (almost 4X difference).