www.WirelessFederation.com/news: In April, the USA had 10.7 million iPhone devices as compared to 8.7 million Android devices. Unique devices that requested at least one ad from the AdMob network in April are represented by these numbers. IPhone, iPad and iPod Touch shipments have been 18.3 million during the same period. The gap between platforms increases to two to one in the US with the inclusion of the iPod touch. The iPhone platform has considerably more exclusive devices than Android in the AdMob network at an international level. There were 27.4 million iPhone devices compared to 11.6 million Android devices globally and the ratio between iPhone OS devices and Android devices was 3.5 to 1. In North America, there are around 75 percent of Android devices as compared to 49 percent of iPhone OS devices.