If you want to track your weight and integrate this data into your burgeoning collection of activity and workout data, you can manually add weight readings to most apps that store such data. But if you want a quicker way to do this, you might want to check out a Wi-Fi scale. They can automatically sync your weight, along with other data–such as your body fat percentage–to an app and/or website, keeping track of this data so you don’t have to.
I’ve been using the Fitbit Aria for a couple of years and I recently got the Withings Smart Body Analyzer. Both of these scales work well but with some important differences. Here’s a look at these two scales.
Read the rest of the article on Macworld.