Xiffe.com
Xiffe is an ideal platform for creating interactive prototypes for your mobile apps in a jiffy. It lets you drag-drop native controls for iOS, Android and Windows Phone (and tablet) apps and create interactive prototypes. You can add screen transitions between views to simulate actual flow between screens. The prototypes can be share with others and seen on mobile browsers to see how it would behave on an actual device. Xiffe is completely web-based and lets you use intuitive drag-drop features for creating UI designs for your apps without any coding. Ideal for use by UI/UX designers and mobile app developers/designers.
