The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
This app is an image filter that transforms a color picture into black and white using a dithering method. The main feature of this algorithm is that it allows the control of the 'dot' size of an stochastic halftoning screen which resembles the look of analog film grain for digital pictures.