Redesigned to take advantage of iOS 7 features.Acquired by Evernote in 2011, Skitch is a part of the Evernote suite of apps and also features full integration with the popular note-taking app. Skitch is a free download for the iPhone and iPad and is available on the App Store. [Direct Link]
Skitch lets you communicate important ideas in an instant. Snap a photo, mark it up, and send it on. Make your message clear with arrows, stamps, text, shapes, and more. Getting your point across has never been easier.
iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.