The following lists the top smartphone operating systems by market share in the United States in October, according to research firm comScore.
ComScore conducts monthly user surveys. The following list is derived from a three-month average ending in October of 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.
According to comScore's numbers, around 36 million Americans own a smartphone, while around 196 million own a "non-smartphone" (or a device that does not feature an open operating system).
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