The Curious Case of iPhone 6+ 1080p Display
Apple is losing its advantage over Android regarding market fragmentation.<p>An iOS developer has to support <i>eight</i> different screens these days to cover all devices that will run iOS8:<p>* iPad 2<p>* iPad mini (the last non retina devices, same resolution, different DPI)<p>* iPhone 4S<p>* iPhone 5/5C/5S/iPod Touch 5th gen<p>* iPhone 6<p>* iPhone 6 Plus<p>* iPad 3/4/Air<p>* iPad Mini Retina (again, same resolution, different DPI)<p>Many devs will ignore the DPI differences between the iPad and the iPad mini, but that isn't ideal. 
I think the iPhone 6 Plus should have had a 1600x900 display to keep the DPI in line with the previous phones, however Apple was probably afraid to be compared unfavorably to the Android phones that have 1080p panels.