According to the latest market share survey from NetMarketShare, the market share for Mac OS X rose in March, while that of iOS dipped.
According to the report, among desktop operating systems, Mac OS X had 7.77% of the global market share in March compared to 7.76% percent in February (that’s global market share; in the US it’s over 13%). October 2015’s 8% was an an all-time high by NetMarketShare’s measurements. Windows remains dominant with 90.45% as of March. That's pretty the same as February.
iOS had 32.28% of the mobile operating system market share in March, down from 32.28% in February. This compares to 60.99% for Android, 2.54% for Windows Phone, and 2.07% for Java ME. The all-time high for iOS was in July 2012 with 65.94%
NetMarketShares’ monthly surveys don’t measure market share in terms of computer systems sold. Instead they sample data from visitors to some 40,000 web sites operated by their clients. And note that NetMarketShare’s numbers don’t equate to sales.