Activity tracking and wearable technology have hit their stride. More than a dozen of the largest retailers in the United States carry devices from manufacturers like Fitbit, Jawbone, and other large players. One of those bigger names is Withings, who late in 2014 released the Withings Activité, a simple yet stylish watch that also tracks steps and swimming. And just a few months later we now have the névo, a minimalist approach in a similar package. How do these two contenders stack up in this new, fashion-centric fold?