Google Fit is described as 'Health-tracking platform developed by Google for the Android operating system. It is a single set of APIs that blends data from multiple apps and devices. Google Fit uses sensors in a user's activity tracker or mobile device to record physical fitness' and is a Run Tracker in the sport & health category. There are more than 50 alternatives to Google Fit for a variety of platforms, including iPhone, Android, iPad, Web-based and Apple Watch apps. The best Google Fit alternative is OpenTracks, which is both free and Open Source. Other great apps like Google Fit are Strava, ASICS Runkeeper, MyFitnessPal and FitoTrack.