Of course, the best photograhy app by far is the marvelous Hipstamatic.
Now that the phones generally, but specifically the iPhone and iPod Touch devices, have got reasonable cameras installed in them, a new genre of photography had emerged. This is often referred to as iPhoneography. Numerous apps have been invented to help mobile photographers edit, process and share their images and this has encouraged many people to become interested in photography and develop their creativity as a result.
Here are a few of our favourite iPhoneography blogs. Some of the images are remarkably good:
iPhone Camera Project
And here are our current favourite apps: