Ownindex - In less than 5 minutes at rest the Polar M52 gives you a fitness test based on heart rate variability, age height, weight sex and activity. The heart monitor user can easily track progress of your fitness program
Owncal - counts total calories burned during exercise. Also the Polar M21 heart monitor provides percentage of calories burned from fat.
Ownzone - automatically determines and guides user to safest and most effective exercise zone. (Heart Zone Calculator)
Use profile for 2 people, change of profile with just one button press
Exercise reminder - three days after the last exercise, a randomly selected gentle exercise reminder appears every full hour in the display.