Aika: Fitness Tracker

Body Battery turns your Apple Watch into a daily Energy & Recovery coach. Get your energy score based on HRV, Sleep, Stress and Workouts—no extra device needed.
Know Your Daily Energy Level
Start each day knowing exactly how prepared your body is. Your Body Battery score combines HRV, resting heart rate, sleep quality, and workout load to show if you're ready for training or need rest.
Advanced HRV & Heart Rate Tracking
Get significantly more accurate HRV and RHR measurements than standard Apple Health. We capture data during deep sleep for maximum precision, giving you professional-grade insights into stress, recovery, and heart health.
Comprehensive Sleep Analysis
Track sleep stages (Light, Deep, REM), duration, and quality. Understand how your sleep impacts your energy and recovery. Improve sleep patterns to boost daily performance.
Smart Workout & Recovery Insights
Log workouts from strength training to yoga. Monitor intensity, heart rate zones, and training load. Get personalized recovery recommendations to optimize performance and avoid burnout.
Why Body Battery?
Get the same comprehensive tracking as Whoop, Oura Ring, and Ultrahuman—but using your existing Apple Watch. No extra hardware cost. Professional-level fitness and recovery insights, directly on your wrist.
Key Features:
- Daily Body Battery score
- Advanced HRV tracking during deep sleep
- Accurate resting heart rate monitoring
- Sleep stage analysis & quality scoring
- Workout tracking with heart rate zones
- Recovery recommendations
- Stress monitoring
- Trend tracking & analytics
- Apple Watch optimized interface
Perfect For:
Athletes optimizing training load, fitness enthusiasts tracking recovery, anyone wanting better energy management and sleep insights.
Subscription Details:
Choose Weekly, Monthly, Annual, or Lifetime access. 3-day free trial included. Subscriptions auto-renew unless cancelled 24 hours before period ends. Manage in App Store > Subscriptions.
Disclaimer: Body Battery is not a medical device and should not replace professional medical advice.
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