blank has ColorManager (iTunes Link) for the iPhone and iPod Touch in the iTunes App Store for FREE for a limited time.

Introducing Color Manager, that control color of pictures at your taste. It can change your photo’s colors as much as you want.

As converting selected color to black and white, you can make your photo look cool like movie poster.

Color Manager has two modes for changing color. First, Color slider mode. There is 6 color sliders such as red,yellow,green,cyan,blue,magenta. Just move a color slider you want, it will change from original color to black and white. Don’t worry about complex form or a lot of number. It applies to every color in your photo. Second, Mask mode. If the result of color slider don’t satisfy you, use a mask eraser. It can erase needless color area manually. Mask is expressed red color at first. You can hide mask area by mask on/off button. If you mistake a stroke, press reset button to initialize it and the Zoom ability helps you draw more detail.

blank also has ColorManager Cam (iTunes Link) for the iPhone and iPod Touch in the iTunes App Store for FREE for a limited time. This has simuler functionality to ColorManager but for videos.