I like how it is easy to use, as well as have all of my information available in one place! It can be confusing at first when you are trying to learn what each button does, but once you figure out that process it's ok. Give it try if any questions arise about scheduling appointments or billing for services. There isn't much we dislike so far aside from some minor bugs here and there which haven't been fixed yet by clickbook support (which has gotten better).
We find ourselves always using this