Adobe XD is a tool that eases the creation of user experiences for the web and mobile applications. It is a single app, coming with a solid set of features, to design, prototype and share. It is built to facilitate the work of today's UX designers.
Kite is a native animation and prototyping design tool for the Mac. It features an intuitive timeline editor, WYSIWYG canvas, and a robust scripting interface. The iOS companion app, Kite Compositor for iOS, allows you to interact with your Kite designs right on your iPhone or iPad.