It’s officially a two-horse race – IDC puts Windows Phone shipments for the first quarter of 2017 at a meager 0.1%. This matches the 0.1% share of the “Others” category (most competing OSes are now discontinued, even Tizen’s fate seems uncertain).
Android is the ruling OS with a solid 85% market share (it seems to hover around that point). This left the other 15% to iOS, but there’s a cycle – Q3 is a weak quarter, then the next-gen iPhones land in Q4 and iOS jumps several points.
Period
Android
iOS
Windows Phone
Others
2016Q1
83.4%
…