Graphing is an iOS app, written in Objective-C with CocoaTouch, for both the iPhone and iPod Touch that allows the user to manipulate simple graphs to find isomorphic graphs.

The user uses an adjacency matrix to input adjacencies between six vertices, and then can see the resulting graph with the vertices in a C6 position. Then, the user can move around the vertices to find any isomorphic graph they desire.

A cool use of the program is to move the vertices around to try to find a planar isomorphic graph, or to find a K5 or K(3,3) graph to prove that it is non-planar.