I'm amazed at the variety of photo editors available for the iPhone and iPad. Many are "me too" apps that don't offer many unique features, but Repix (free) offers a fresh idea. It can help you create some very artistic photos with only a little effort, even if you aren't the most creative photographer on the planet.
Repix contains a collection of brushes that you use to paint over your image. Each brush applies a unique effect. For example, there are brushes to "cartoonize" your image, or make it look like charcoal media. There are also brushes for edge enhancement, super saturated colors, and posterize brushes. Others are erase tools that can clean up unwanted changes (there's an undo command, too).
Repix has acc