YouTube, Instagram and more: Apple reveals most popular apps of 2018 | Apps

In 2017, YouTube ranked third, behind Bitmoji, first, and Snapchat, second. In 2018, Snapchat dropped to third in the ranking and Bitmoji to sixth, while YouTube managed to stand out at the top of the list. In this edition, the last places were Google Photos, Google Chrome and Twitter, respectively. This year, two apps entered the ranking: TikTok, formerly called Musicall.y, and Cash App.