Statistics indicate that China's mobile App market has more than 402 million applications. What behind this statistics are a huge number of software developing companies, developers, designers, and product managers, as well as various App prototyping tools . In order to find a handy prototyping tool, designers and product managers are often keen to ask for advice on Quora. Recently I noticed a question asked for what is the best App prototyping tool ? Probably, the most-voted answer is Axure. But how much do you know about it? Except it, is there anything other great App prototyping design tool you don’t know? With the thought of helping others, I listed 4 well-known mobile app prototyping tools. Please feel free to suggest more tools, I will keep update! 1. Justinmind Price: $29/month ~ $495/user Prototype editing: Mac, Windows Prototyping ideal for Web, Desktop, Mobile Justinmind is a flexible prototyping tool that supports a variet...