The ability to make prototypes very quickly, at low cost (compared to other prototyping methods).
It's easy enough for beginners but also offers advanced features that are useful in more experienced users as well! I haven't used any of their software specifically yet so can not comment about how good it is or isnβt compared to others out there.
However from what i have heard they seem pretty decent all rounder - if you need something fast then this could be your go-to product! We've been ableβ¦