So you've got an idea for an iPhone app - along with everyone else on the planet. Set your app apart with elegant design, efficient usability, and a healthy dollop of personality. "Best iPhone App Design" takes you from concept to polished interface design with plain-spoken principles and a rich collection of visual examples for designing exceptional interfaces for the iPhone and iPod Touch. Witty, down-to-earth, and irreverent, this guide is for everyone involved in the app design process: designers, programmers, managers, and marketers. You'll discover practical advice for sharpening your app's features, creating an effortless user experience, using iPhone controls correctly, and creating your own personality-packed visuals. At every stage, you'll find a gallery of app screenshots to illustrate best practices and inspire you with innovative designs. Case studies let you look over the shoulders of the best app developers, following the evolution of app designs from early sketches to finished product. The book's common-sense principles will equip you to ask the right questions throughout the design process to make aesthetic, technical, and usability decisions that will make your app a pleasure to use.