The description of Polar Flow - Play With New Friends
Monitor your Activity and Get Fit with Polar FlowPolar Flow is a free app that will suit anyone who wants to monitor their training and activity while they try to stay fit. Used in conjunction with a tracker, the app will show your achievements and activity data including burned calories, step count, and even information on your sleeping habits. You can use it to structure your workouts, and send you alerts when your activity has started to lag.