HeavySet is a gym workout log and tracker app designed for weightlifting, bodybuilding, and strength training. It has a simple interface that makes tracking workouts easy and efficient. The app offers a variety of features such as routines, workout/gym log, exercises, personal records/statistics, and data import/export. HeavySet also has a Plate calculator, a rest timer with presets and quick modifiers, and a Tempo timer metronome. The app allows you to create routines based on previous workouts, import plain text routines for rapid routine building, and export routines as plain text to share with friends. HeavySet is a free download but requires an in-app purchase upgrade for unlimited use. Overall, HeavySet is an exceptional app for seriously tracking training and is highly recommended by many users.