Google's Android OS has surpassed Apple’s iOS to become the most used operating system for tablet devices. According the Gartner's latest research, Android captured 61.9% of the overall tablet market with sales of almost 121 million devices during 2013; compared to 53 million in 2012. iOS was second with 36% of the market share.

Although the market share of iOS powered iPad has declined, Apple's tablet sales increased from 61 million to 710 million last year. Overall, sales of tablets have reached 195 million in 2013, suggesting an increase of 68 percent since 2012.