Definitely try the demo.

IME, Hexagon is a lot easier to figure out than XBrush.  But then, IME, differential equations in ancient Sanskrit are easier to figure out than Zbrush.  ;-)  As Elizabyte once said, the ZBrush controls are like the cockpit of an alien spacecraft.  Takes a lot of getting used to.  I found Hexagon fairly intuitive.

But please, try for yourself.  YMMV.  One person's "intuitive" is another's "alien spacecraft."  Especially with 3D software.