With so many so-called rapid prototyping tools on the market, how do you know which one is the best to choose? This is often the case that we’re poised to choose those big names while designing a new App or website. They are fully-functional and have a set of cool templates to help us solve most of the design problems. However, there are not a few problems behind, such as the clunky documents, inflexible operation, etc. It’s not exaggerative to say that the light-weight prototyping tool can be the best choice for most design needs, especially for those Apps and websites with a unique style. In addition to the functionalities and features of the tool itself, you need to take more factors that may influence your design into account. For instance, how easy/difficult is this prototype tool? Does this tool meet our design needs? Can it meet the characteristics and interests of the team? Following I’ve sorted out some criteria for selection and evaluation: 1. Speed ...