Just how popular is the App Store? Apple announced today that 200 million iPhone/iPod touch and iPad users have downloaded 15 billion apps since the store went online on July 10, 2008. The company made the announcement via a press release.

According to Philip Schiller, Apple’s senior vice president of Worldwide Product Marketing:

“Thank you to all of our amazing developers who have filled it with over 425,000 of the coolest apps and to our over 200 million iOS users for surpassing 15 billion downloads.”

There are currently 425,000 apps in the App Store, including 100,000 native iPad apps. These are available to consumers in 90 countries.

To date, Apple has paid developers over $2.5 billion.

As the App Store hits this milestone, we’d like to know: What are your favorite apps? Let us know by using the comments below.