When comparing Briefs vs UXPin, the Slant community recommends UXPin for most people. In the question“What are the best tools for prototyping mobile interactions/animations?” UXPin is ranked 12th while Briefs is ranked 21st. The most important reason people chose UXPin is:
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Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy to share with clients
Briefs makes it easy to share prototypes with clients through the use of their iOS app, BriefsCase.
Pro UXPin has great advanced features for prototyping
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Pro Actively developed
UXPin is constantly being updated with new features.
Pro Import from PhotoShop and Sketch
A pro UXPin account will allow you to import existing projects from PhotoShop or Sketch.
Pro Extensive library of elements and patterns
UXPin offers elements from a wide range libraries. This includes responsive frameworks such as Bootstrap and Foundation, and libraries specific to mobile prototyping.
Cons
Con Steep learning curve
There is very little learning material available online for Briefs. The community of active user is small, making it difficult to get any questions you may have answered.
Con Only supported on Mac/iOS
Con Expensive subscription model
$29 per user/mo ($350 pa) will soon rack up compared to a standalone product like Axure PRO ($450) which has a license that lasts years (they have given out free updates for the last 2 versions).
Con Steep learning curve
UXPin is one of the more complex prototyping tools. Combined with a lack of documentation, it can be discouraging for first time users.