Yes, Google Analytic is best than any other analytic. Google Analytic is generate real time traffics.But other state counter not generate real time traffic. SO, it is best.
I've just started with GA and I'm also using a stat counter plugin for wordress. I'm finding that they show very different data about the number of hits on my site. GA gives me a lower number of hits. After reading all of your comments, I think GA is the one to trust.
Google Analytics has no more competetor in current market! in fact Stat Counter ruled for many years before the induction of GA it was considered as leading one! Mature Webmasters only rely over GA among SC