Health Glance is a standalone Watch app that provides customisable health data complications, with support for multiple different complications. You can also view health data in the app, without using complications.
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Coachy Alternatives
Coachy is described as 'Is your best training partner for bodyweight, calisthenics, TRX and kettlebell workouts' and is a Fitness Tracker in the sport & health category. There are more than 50 alternatives to Coachy for a variety of platforms, including Android, iPhone, Web-based, iPad and Apple Watch apps. The best Coachy alternative is OpenTracks, which is both free and Open Source. Other great apps like Coachy are ASICS Runkeeper, Trale, FitoTrack and Strava.