Apple iPhone and iPad users spent over $10bn (£6bn) in the App Store during 2013, with $1bn of that coming during December, Apple has announced.
iPad, iPhone and iPod Touch owners downloaded over three billion apps in December alone, making it the most successful month in Apple App Store history.
App developers have earned a combined $15bn through sales made in the Apple Store since it was launched in 2008. The store is now available to Apple device users across 115 countries.
"We'd like to thank our customers for making 2013 the best year ever for the App Store," said Eddy Cue, Apple's senior vice president of internet software and services.
"The lineup of apps for the holiday season was astonishing and we look forward to seeing what developers create in 2014."
Applications available for download for Apple devices range from games, to lifestyle applications, to business software and more. Indeed, this Computing feature lists the top 10 best iPhone apps for enterprise users, with offerings such as productivity management, scanning tools and cloud services.