ColorCanvas Plus 1.0 (iOS)
Source: Big Canvas
With ColorCanvas Plus you can share your life as it happens via PhotoShare, email, blogs, or social networking sites. Choose a photo from your phone or take one then decide the mono filter to apply, choose between Color, Mono, or Tint and then brush over the areas of the photo where you want to add color back in, save the photo or share it with friends by email or PhotoShare. You have a wide range of brush size options to choose from, you can choose the degree of color blocking also known as opacity, and redo and undo feature.