Apple’s iTunes app Store has been open for almost four years an in that time has gone from 0 apps downloaded to 25 Billion (almost 4 apps for every human on the planet!). At the rate it is accelerating however, it should pass 40 billion by this time next year.

As for the 25 Billion Apps downloaded contest, no winner has been announced but they will receive $10,000 gift certificate in iTunes or Mac App Store.

Also, Apple has an updated its all time most popular apps list for both iPhone and iPad formats, below: