There are well over a million apps in the App Store, and customers have downloaded more than 100 billion apps since the App Store debuted. App Store apps are available with three pricing options: free (and usually supported by ads), free with in-app purchases, or a set cost starting at $0.99 in the US.
In 2010, Apple introduced the Mac App Store for distributing content on Macs, and in 2015, Apple introduced the tvOS App Store, an app store for to the fourth-generation Apple TV.