This market analysis explores the Sales Amount of Android, iOS, Symbian and other Mobile OS products worldwide between the quarters Y10-Q4 to Y12-Q3. In the last period, Y12-Q3, the largest presented item is Android with Sales Amount of 136M. The fastest growing participant in our report is Android with 341.54% growth in Sales Amount over 8 quarters between Y10-Q4 to Y12-Q3. The topic that suffers from the biggest downturn is Symbian with 87.44% decline over the same period. This report represents data points consolidated from 2 sources: IDC and Gartner