A free app for Android, by Sultan Seidalin.
You can track your workout progress by recording the exercise, sets, reps, and weights. You can also add notes to your workouts, which will help you to stay motivated and remember the details of each workout.
The app automatically calculates your total workout time, calories burned, and other metrics, which you can view in real-time or graphically. You can also add the number of sets, reps, and weights you performed for each exercise, as well as the weights you used.
You can add any number of body measurements, such as weight, body fat percentage, and muscle measurements. The app will automatically calculate and display the change in your body over time.