Competish - Weight loss with friends!

Onyx by Titanium - This website provides operating system utilities for macOS

Noom - Get life-long weight-loss results

Google Fit for iOS - Google's fitness app now available on iPhone

ScaleBook - ScaleBook is a platform that allows users to keep track of their weight.

Google Fit - Effortlessly track any activity. As you walk, run, or cycle throughout the day, your phone or Android Wear watch automatically logs them with Google Fit. • Get instant insights. See real-time stats for your runs, walks, and rides.