UPDATED: New Nielson stats show that Instagram is more popular with mobile users than Twitter - 32M vs. 30.8M. That puts Instagram at #7 in the most popular smartphone apps with a 66% growth rate year over year. Facebook was #1 smartphone app in 2013 with 103M unique users.
TOP SMARTPHONE APPS OF 2013:
|Rank||App||Avg Unique Users||YoY % Change|
|Data from January – October 2013, among smartphone owners 18+ (iOS and Android only). Ranked by average monthly unique users.
Read as: During 2013 103 million smartphone owners used the Google Search app on average each month.