That's the point, besides the easy practicality and speed of an iPhone, what makes them what they are is the AppStore and the largest ridiculous selection of all the best apps and games there are. Another company could never make a phone as good as the iPhone, maybe they could have better hardware (camera, screen size/quality etc) but they'll never beat it on content.
Had a blackberry for a couple of years and hated it. Had to replace the thing 3 times and it lost all of my photos from the wifes 30th birthday. Now got the i phone 4s and it is generations ahead of the blackberry.
I considered getting a Blackberry a while back, then I remembered I don't have the hands of a 6 year old so trying to use the keyboard would be a pain in the arse.
I've got Galaxy S2 for £32 a month with 600 mins, unlimited texts and 600 mins. Its fantasic phone and far better then Iphone IMO. People just believe the hype of Iphones.