Most running apps connect to your running watch or fitness tracker for accurate workout data. They can work on their own (however, for this you have to take your phone for a run), and they also give advice, motivate and just make the daily run a little more fun. What can they doRunning apps track health and performance metrics such as pace, distance, mileage, heart rate and calories burned. All information about your training and nutrition will be securely stored. They are also programmed to...