Proto.io is a powerful web application for creating fully interactive, high-fidelity mobile application prototypes. It allows designers to create mobile app screens, apply screen transitions and define touch events for each design element on the screen. This creates a high quality prototype, which will work, and feel like a real app. Additional device events such as screen orientation are also supported. Prototypes can be viewed and experienced interactively within the browser but more importantly can be launched in the actual mobile device i.e. iPhone, iPad or equivalent, creating a breath-taking user experience.
Proto.io is perhaps the only mobile prototyping tool that allows users to create realistic, sharable prototypes that work as a real app should and experience their prototype on the actual device.