Activity (Apple Watch companion) is described as 'The Activity app provides a simple visual snapshot of your daily activity, with three rings telling you everything you need to know. The Move ring shows how many active calories you’ve burned. The Exercise ring shows how many minutes of brisk activity you’ve completed' and is a Fitness Tracker in the sport & health category. There are more than 10 alternatives to Activity (Apple Watch companion) for a variety of platforms, including iPhone, Android, iPad, Apple Watch and Android Wear apps. The best Activity (Apple Watch companion) alternative is Fitbit, which is free. Other great apps like Activity (Apple Watch companion) are Nike Run Club, Treekly, OffScreen and Lifelog.