John Yorke

JYGraphView. Simple line graph view for iOS.

AnimateUsingSpringDamping. iPad app for testing animateWithDuration:delay:usingSpringWithDamping:initialSpringVelocity:options:animations:completion:

HideMyPhone. Simple iBeacon based "Hide and Seek" game.

JYDeepFieldView. Easy 3D parallax effect using 3 stacked UIImageViews.