Recently, I am working on some iPhone development. Although xcode provides interface builder for graphical drag-and-drop design, this software is very heavy and not so convenient to modify, so we found the prototype design tool balsamiq mockups.
In the Web product design, balsamiq mockups is a powerful tool for product designers to draw line diagrams or prototype interfaces. In the demand stage of product design, the low-fidelity schematic diagram or sketch design is between the product process design and the high-fidelity demo design. Before the emergence of balsamiq mockups, you can use Visio for the flowchart, axure can be used in high-fidelity demo, but we do not have a good sketch design tool. in Product Design Management, we usually start to further consider the structural layer and framework layer of the product when the product's business process and data flow are quite clear. Although paper, pen, and whiteboard are very simple and convenient communication tools, but their biggest disadvantage is that it is difficult to save valuable prototypes. The appearance of balsamiq mockups perfectly solved this problem.
This software allows you to design the interface with hand-drawn styles to make people feel comfortable. Balsamiq mockups is based on Adobe AIR, so it can be used across platforms.
Its official website is ghost. However, the billing version is 79, which is hard to handle.