Apple has paid developers $4 billion during App Store's lifetime
That includes $700 million between October and December.
A quick consideration of Apple's 30 percent take would indicate that overall revenue would have exceeded $5.71 billion with the Cupertino firm taking a $1.71 billion slice.
Up and up
These latest figures mark a significant rise from the $3 billion reportedly paid out by Apple to developers in October 2011.
Christmas Day marked a significant $140 million worth of apps being downloaded through iTunes, with the total number of apps now available having reached 170,000 on iPad and 550,000 overall.
[source: Inside Mobile Apps]