There are many photo apps that can be used to create beautiful photo effects. But if you want to turn your photos into unique sketches, the photo app MobileMonet HD should be more suitable for you.
MobileMonet HD is a creative photo app developed by East Coast Pixels. The iPad app features intuitive and neat user interface, the home page has listed all the features of the photo app, so you can conveniently import photo from photo library or directly take a photo with built-in camera function. When the photo has been loaded, the photo app can automatically convert it into a sketch. With the brush tool, eraser and color palette, you can use your finger to further modify the sketch, such returning the original colors for the special parts, adjusting the line width and color, and etc. When your great sketch has finished, you can also share it with friends via Facebook, Twitter, Tumblr, Flickr, Email and more.
MobileMonet HD with a size of 2.9 MB is compatible with iPad running iOS 3.2 or later. The iPad app is on sale for $0.99 at present. If you’re interested, jump to App Store for more details.