The following is a countdown of the top smartphone operating systems by market share in the United States in February, according to research firm comScore.
Click one of these thumbnails to get started-->
ComScore conducts monthly user surveys. The following list is derived from a February survey of 39,428 U.S. mobile subscribers over the age of 13. ComScore asked respondents what type of phone they own, and derived operating system information based on those responses.
These numbers represent current phone ownership at a specific point in time, rather than the total number of devices sold with a particular operating system.
Click here to get started.
