I did fairly deep analysis of the wireframing tools before we purchased this one. For our needs which included interactive rapid prototyping, this fit the bill far and above everything else I tested.

Anthony Hall
Sr Director User Experience, Bill.com

Prototyper proved to be the right tool for the right job. Not only it is a great communication tool but it is also an invaluable aid for documentation, providing to our functional specifications the visuals needed for interpretation into the technical design.

David Waelder
Global Rollout Manager IS, Boehringer Ingelheim