5 Best Adobe XD Alternative Tools iCrowd Newswire Introduction UX design is a very crucial element of every design because it defines how users are going to interact with your application. This explains why a plethora of design companies heavily invest in good UX designs. While there is an assortment of factors that dictate the success of a UX design, a prototyping tool is no doubt the most important requirement for every UX designer. A prototyping tool is simply a program/software that helps designers translate their design ideas into a practical application. This translation is a whole process that involves the actual designs, testing, and editing of the design to meet the customer or client's needs before the full production. Therefore, a prototyping tool will give you a platform to practically see how your design idea works in real practice. It gives you all the necessary design resources and features to transform your idea into a practical application.