When comparing Axure vs UX-App, the Slant community recommends Axure for most people. In the question“What are the best mockup and wireframing tools for websites?” Axure is ranked 15th while UX-App is ranked 26th. The most important reason people chose Axure is:
Allows creation of interactive HTML mock-ups which is accessible for both websites and mobile applications.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Supports web and mobile prototyping
Allows creation of interactive HTML mock-ups which is accessible for both websites and mobile applications.
Pro Lots of options for sharing your work
Great web options, but you can also save your wire frames out to Word and convert the notes to annotations.
Pro Resuable components
You can create a component (widget) that you can use over and over again.
Pro Cross-platform
Available for use on Windows and Mac.
Pro Collaboration tools
You can set up a project with SVN-like check-in/out system to work with others.
Pro Offers resources to help you get proficient with the software
There is a wealth of online training including videos for getting the basics down, a great community to mine, and support team to help assist with more technical details.
Pro Prototype with graphical JavaScript
UX-App uses a drag and drop puzzle like JavaScript representation. Unique and expressive
Pro Mock up & prototype in the browser
Allows you to mock up with real HTML, and present expressive prototypes in the browser. Has lots of conveniences like team chat, notes, and a share link to present prototypes.
Pro Long free trial & cheap subscription
It's possible to start without creating an account. Creating a free account extends the trial, and the memberships are cheap @ $5/month.
Cons
Con Moderate learning curve
Con Expensive [$289-$589]
There is a free trial to work with Axure, but there is a hefty price for the standard edition at $289. Even more so, the Pro edition will cost $589.