Microsoft’s market share of mobile smartphone platforms remained fairly level in the three months ending in July, compared with the same time period ending in June, but was down from the three months ending in April, according to July 2011 U.S. Mobile Subscriber Market Share data released today by research company comScore.
For the three-month-average period ending in July, Microsoft — with its Windows Phone and older Windows Mobile platforms — had 5.7 percent of smartphone subscribers, according to comScore. That’s just about level with 5.8 percent for the three-month period ending in June.
The July figure is down from 6.7 percent of the market for the three-month period ending in April, and from 11.8 percent in the three-month period ending a year ago in July.
Google, with 40.1 percent of smartphone subscribers, and Apple, with 26.6 percent, had the top two platform market-share spots.
Here’s the chart from comScore’s July 2011 data: