Sketch is a vector-based design tool with a focus on screen design. It’s used primarily by screen designers who create websites, icons, and user interfaces for desktop and mobile devices. Sketch’s powerful and easy-to-use tools allow designers to focus on what they do best; design. From its conception Sketch was tailored to the needs of digital designers and it shows in every fibre of the app. Sketch’s functionality is extended thanks to fantastic third-party developers who have created many plugins to help speed up the design workflow. Sketch also integrates seamlessly with many prototyping and collaborating apps such as Invision.