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PK Fitness is an effort based activity tracker. A simple, easy to use workout journal and social network that helps you stay on track with your fitness goals!Use PK Fitness to track your own fitness journey, join challenges as well as to connect with others with similar interests. PK Fitness is a social platform that encourages interaction with friends, family, and others with shared interests. PK Fitness gives individuals, trainers and fitness groups the insight to motivate and inspire real change in their fitness pursuit. Whether you’re a competitive athlete or simply just trying to improve your fitness level, effort is the key measure to achieving your goals. Support for Apple Watch and Bluetooth enabled heart rate monitors for accurate effort tracking in workouts. PK Fitness takes advantage of the Health app for considering your physical profile as well as workout data collection and storage.Disclaimer: GPS running in the background can decrease battery life.