Filterstorm has been designed from the ground up to meet your iPad and iPhone photo editing needs. Using a uniquely crafted touch interface, Filterstorm allows for more intuitive editing than its desktop counterparts with a toolset designed for serious photography. A favorite of Photojournalists, Filterstorm is at home in a professional workflow, or for anyone who simply wants to get the most out of their pictures while on the road.
Filterstorm contains a suite of powerful tools including curves manipulation, color correction abilities, noise reduction, sharpening, vignetting, and black and white conversion fine-tuning. It also includes the powerful ability to apply any of the available filters by brush, color range, and gradient.
This app has dropped in price from $3.99/£2.49 down to $1.99/£1.49 – you can pick it up here.