<p>Kantar's Worldpanel ComTech survey released its latest smartphone market share data, which shows Apple's smartphone market share at 51.2% with Android at 44.2% for the twelve week timeframe ending on December 23. Windows phones moved up to third place with 3.6% share while RIM slipped substantially from 7.5% to 1.6% share.</p><p>Kantar Worldpanel ComTech analyst Mary-Ann Parlato said, "36% of iOS sales were derived from other smartphone users over the last year. While this figure remains stable over time, the proportion of Android users moving towards the Apple brand increases. 19% of iOS sales over the last year were derived from Android users, compared to 9% in 2011".</p><p>This trend is most evident within Verizon where half (49%) of iOS sales were derived from users of other smartphone brands, and 30% were derived from Android. These figures are much higher compared to AT&amp;T where 15% of iPhone purchasers came from other smartphone users (6% from Android).</p><p>While for other customer groups, 35% of iOS sales were those upgrading from a previous iPhone and 30% were those upgrading to their first smartphone.</p><p><a href="http://www.forbes.com/sites/chuckjones/2013/01/23/apple-smartphone-us-share-over-50-according-to-kantar/">Keep reading...</a></p><p>Read also:</p><p><a href="http://news.cnet.com/8301-13579_3-57565106-37/iphone-wins-51-percent-of-u.s-smartphone-sales-says-report/">iPhone wins 51 percent of US smartphone sales, says report</a> (CNET (blog))</p><p><a href="http://www.cultofmac.com/211597/apple-continues-to-dominate-android-in-us-smartphone-sales-report/">Apple Continues To Dominate Android In US Smartphone Sales [Report]</a> (Cult of Mac)</p><p><a href="http://appadvice.com/appnn/2013/01/apples-share-of-the-u-s-smartphone-market-drops-but-still-remains-above-50-percent">Apple&#039;s Share Of The US Smartphone Market Drops But Still Remains Above 50 ...</a> (AppAdvice)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dR2E68RXGUX45qMIChp_sXXptAqUM&ned=us">314 additional articles.</a></p>