- Create custom workouts with exercises of your choice or choose from 50 preloaded exercises with animated images and visualizations of primary and secondary muscle groups.
- Group and sort exercises within a workout and define sets, weight, and reps for each exercise.
- Archive workouts for later use or statistics.
- Edit preloaded exercises or create your own exercises, including cardio exercises.
- Fast logging and tracking of workouts with GymBook for Apple Watch.
- Add notes to workouts for additional information.
- Access logs and statistics from within a workout.
- See exercise statistics in a configurable, interactive line graph.
- Time rests with an adjustable timer that works even when the device is asleep or the app is closed.
- Receive detailed analysis of performance with interactive line graphs and doughnut charts.
- Track body measurements and analyze progress in interactive line graphs.
- Export logs as XML and CSV files and export a backup as a database file.
- Synchronize data with iCloud.
- Choose from nine designs, each available in light and dark mode.
- Supports metric and imperial system of units.
- Some special functions can be purchased via in-app purchases.