Apple has finally reached a 50% share of the global smartphone ad request market

AdMob has released their latest October 2009 October Mobile Metrics report with details on devices and platforms requests ads from AdMob network. The iPhone and iPod Touch platform (iPhone OS) has a comfortable 50% share of worldwide traffic and 55% of US traffic. In terms of top handset models, Apple’s iPhone accounted for 22.4%/24.1% (up 5.5%/5.2%) and iPod touch for 9.8%/11.4 (up 1.4%/2.3%).

Apple nearly reached the milestone back in May when it hit 49%, but the company's share temporarily dropped back over the next several months before beginning a sharp climb again in September.

You can read the full report in PDF here.