Zepp Life is described as 'Tracks your activity, analyzes sleep, and evaluates your workouts. Lots of video tutorials keep you motivated, and help you build a healthier, more enjoyful daily routine' and is a Fitness Tracker in the sport & health category. There are more than 10 alternatives to Zepp Life for a variety of platforms, including Android, iPhone, Zepp Life, iPad and F-Droid apps. The best Zepp Life alternative is Gadgetbridge, which is both free and Open Source. Other great apps like Zepp Life are Fitbit, Treekly, Activity (Apple Watch companion) and Polar Flow.
Open source, great features, notifications are more reliable