QuickPrototype 4+

QuickPrototype is a convenient software UI/UX prototyping tool. It has built-in a large number of system components for macOS and iOS. You just need to use the mouse to easily drag them into your design. In addition, QuickPrototype has powerful shape creation capabilities. You can draw new shapes with the built-in vector drawing tool, or use containers with flexible layout to make complex components.

Main features:
1 Built-in a large number of system controls for macOS and iOS;
2 Support vector drawing tools, hand-drawn line tools;
3 Boolean operations merge multiple paths;
4 Group / Ungroup;
5 Create containers, containers support a variety of flexible layout methods;
6 supports snap to objects and grids;
7 Export png and pdf format.