If I had to choose only one photo-editing software for the iPad that would be snapseed. It is extremely easy to use, packed with features for both the amateur as well as the pro user and it is extremely fun to use. The company behind Snapseed is Nik Software, a company every photographer should know for their truly exceptional photoshop plugins, offering a different and unique approach to photo editing. 

The interface is well designed, with self explanatory panels where all the effects are grouped.  You get more than you will ever need for tuning and enhancing your images while taking full advantage of the iPad's touch capabilities. All image enhancements run in a flawless manner by sliding your fingers on the iPad's screen. Changes happen in real time even with high resolution images with no time lag whatsover. Adjustments look pretty basic a first glance, but if you are familiar with Nik Software's selective adjustment tool you will know that's not the case, since you can fine tune your images selectively in every aspect, even in very small areas. Apart from contrast, white balance, saturation, ambiance, brightness, clarity and sharpening enhancements which you can apply to your images, the selective adjustment panel allows you to fine tune areas within your image with extra brightness, contrast and saturation controls. The software also offers a bunch of other tools such as vintage film effects, frames & textures, a very impressive drama panel for adding extra detail to your images, auto enhancements, even tilt shift effects. The cropping interface is exceptional, very similar to what Lightroom offers, plus you can straighten and rotate your images.

It's no wonder why this little piece of software is so popular in the iTunes store. As of April 2nd 2012, you can also get a desktop version whether you are a Mac or PC user at a very affordable price tag. 

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