Idea Sketch lets you easily draw a diagram - mind map, concept map, or flow chart - and convert it to a text outline, and vice versa. You can use Idea Sketch for anything, such as brainstorming new ideas, illustrating concepts, making lists and outlines, planning presentations, creating organizational charts, and more!
Via Baiba Svenca
Idea Sketch is an app that helps you to create graphical outlines of your ideas or plans.
Free download https://itunes.apple.com/us/app/idea-sketch/id367246522?mt=8&affId=1822652