The Chipmunk Showcase app takes full advantage of Chipmunk Pro to provide a high performance demo app on iOS while showing you how simple using it can be.
The showcase application is available on iTunes here for free
The showcase contains a variety of scenes demonstrating different engine features, such as the available joints, multi-touch input, breakable joints, deformable terrain, and others. Also take a look at the ChipmunkDemo examples inside Chipmunk