Apple approved it’s 500,000th app. For a while they have been teetering on the mark with apps coming and going. However, they have finally surpassed the mark of 500,000. They have 85,569 unique developers which have helped them to reach this milestone. The most popular application categories are games, then books followed by entertainment and education. Angry Birds leads the pack in games and has set a record by being at the top for 275 days and counting. The average price for an Apple app is $3.64 and 37% of the available apps are free. If apps are the measuring stick then Apple has a clear lead on all of the competition.