Iphone camera app does not have freedom.. By freedom I mean manual controls , yes it is quick in focusing object but if you are here comparing it woth lumia 1020 which takes 3-4 sec to capture a photo , it's completely biased since iphone is still a 8 MP sensor while 1020 have a 41 MP sensor though 41 MP have more details , so shutter opens to capture more details resulting in delay. Same goes for low light photographs. Iphone 5s came with slow mo video recording(exclusive to iphone , but if you have a jb device , one get same feature , it's just apple dominating older hardware )according to leaks of wp 8.1 we will get slow motion , burst mode in default camera app