Concept.ly is a collaboration and prototyping platform that let’s you create fully interactive prototypes that look and work exactly like your app. Spend less time to communicate vision: Create your device-optimized vision in minutes that look so real. Let users point anywhere on the screen, mark areas and provide comments, this makes it lot easier to get feedback. Make mockups and present your prototypes directly on web and mobile devices. Concept.ly let’s you Share, Annotate and Get Valuable Feedback Faster.