Train smarter. Recover faster. Stay in control. Stamina Bar is a powerful Apple Watch app that shows your body’s energy, recovery, and stress — in real time. Using heart rate, heart rate variability (HRV), and activity data, Stamina Bar visualizes how ready you are to take on your next workout, handle stress, or rest when you need it most. Whether you're training for a race or managing your daily energy, this stamina bar app helps you push limits safely and avoid burnout. See your readiness. Track fatigue. Recover smarter. Understand how hard you’re pushing. Catch early signs of sickness or stress. Optimize workouts, focus, and recovery. Simplify heart rate and HRV into one clear stamina score
Built for Apple Watch. No phone needed. Whether you’re an athlete or just want more awareness of your body’s signal, Stamina Bar turns complex health data into an intuitive experience you can trust — right from your wrist. Download Stamina Bar for Apple Watch. Works with Apple Health. Apple Watch only. Learn more at staminabar.app