Percolator is not only a lot of fun, it produces some really interesting and artistic images.
Updated for the holiday season, Storie offers a mix of photo effects and sharing techniques.
Both the iPhone and iPad versions of this image editor produced some excellent black and white images.
Photo Academy provides a wealth of photographic information in your pocket.
Simply B&W is a no-frills black-and-white image editing app that produces good-looking photos.
Tracks, from Tracks Media, is a photo sharing app that hopes to be your new hub for social photography, yet the app lacks social integration.
Photogram lets you share a neat little postcard package of pictures through Facebook, Twitter, or an email.