iOS Devs Have Earned $4 Billion

Apple CFO reported that iOS developers have now earned more than $4 billion off their App Store apps. In the last quarter alone, Apple's mobile developers earned $700 million.

The figures came as part of Apple's report of record-breaking earnings for the quarter. The company had revenue of $46.3 billion for the quarter ending December 31, and App Store revenue played a significant role. On Christmas Day alone, total sales for the App Store topped $140 million.