Principle makes it easy to create animated and interactive user-interface designs. Whether you’re designing the flow of a multi-screen app, or new interactions and animations, Principle lets you create designs that look and feel amazing.
The familiar interface enables app designers to show their animated designs to clients, managers and the development team – gone are the days of handwaving and long meetings.
Inspired by studying how some of the world’s best user interface designers work, Principle combines the design, animation and interaction tools you need into a lightweight, easy-to-learn interface.
Principle is retina-ready and built on the same rendering and animation system that powers OS X and iOS, so you can be confident that your designs will match reality.