Gravitus is described as 'The app for lifters. Track your workouts easily and efficiently with a UI designed to minimize tapping and maximize lifting. Add friends so you have lifting buddies to motivate you whether they’re in the same city or across the country' and is a Fitness Tracker in the sport & health category. There are more than 25 alternatives to Gravitus for a variety of platforms, including iPhone, Android, Web-based, iPad and Android Tablet apps. The best Gravitus alternative is Kenko, which is both free and Open Source. Other great apps like Gravitus are SmartGym, Workout: Gym Workout Planner, JEFIT and Sworkit.