(CNN) - The Apple iTunes app store will be 10 years old on July 10.
iPhones' most downloaded app of all time is Facebook!
The market research firm App Annie compiled the list.
To celebrate the iOS App Store’s 10th birthday, App Annie releases its latest report on the most popular iOS apps of all time, worldwide, regional, country-level, games and non-games, by download and by revenue https://t.co/XCcLKNkBHQ #appstorebirthday #ios pic.twitter.com/iok2HG7zDh
— App Annie (@appannie) July 2, 2018
Facebook messenger came in second place
YouTube came in third place followed by Instagram and What's App.
Google Maps, Snapchat and Skype round out the top eight.
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