Apple's iPhone is one of the world's best-selling - and according to CEO Tim Cook the best-loved - smartphones in the world.
But if you've decided to 'go Apple', how do you know which iPhone is right for you?
With the iPhone 5 now six months old, it might seem obvious that the most recent phone is the one to go for. But the iPhone 4S and the iPhone 4 are both still on sale - and at cheaper price points. So it's not so clear.
We've got a helpful infographic below to help you figure out the differences between the newer and older iPhone, and find the right iPhone for you. Below that there's a video comparison between the 4S and the 4.
And if you're still not sold, check out some of the other smartphones on the market here.