Strain - Track your Fitness

Strain is your daily fitness companion that tracks your effort, measures your performance, and ranks you within your group — whether it’s your gym, office, or friend circle. Built for Apple Watch & HealthKit users, Strain takes your real activity data and turns it into motivation. Strain isn’t about doing more — it’s about doing your best, consistently. Whether you’re casually active or hardcore dedicated, Strain motivates you through friendly competition and clean, visual tracking. ​