It is predicted that in the last year or so, around 10 percent of all photos that have ever been taken in the history of the world were taken. This means that photos are becoming more and more popular which is mainly due to the fact that everyone has a camera on their smartphone. Of course, the Apple iPhone is one of these phones that has a camera and the iPhone also has a number of photo enhancing apps available for it. There are some stunning apps out there and here are a few of the best photo enhancing apps available for you to download.