Justin Cegnar has OSnap! Time-Lapse & Stop Motion (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly $2.99) for a limited time.

Simple, intuitive, powerful time-lapse and stop motion photography. Create and share stunning videos with ease. Packed full of features, OSnap! is truly the ultimate time-lapse and stop motion app. Perfect for both casual and serious photographers.