Today there are many tools on the market for both Low Fidelity and High Fidelity prototyping and mockup design. This article will compare 4 of the most powerful, versatile, and most popular programs. These will be Adobe Xd, Figma, Sketch, and InVision. What are the differences between them? We will describe their functionality and capabilities, advantages and disadvantages. We will also tell you which program we chose and why.