HRV Flow: Recovery Score

Your morning recovery score from 7 Apple Watch signals. Completely free.

■ Daily Recovery Score (0-100)
A single morning score calculated from 7 signals your Apple Watch already records:
・Wake-up HRV
・Resting heart rate
・Respiratory rate (sleep average)
・Sleep duration
・Sleep stages (Deep + REM quality)
・Sleep heart rate
・Bedtime consistency

No extra wearables, no subscriptions — same input coverage as Whoop / Oura, just from your Apple Watch. Tap "Why this score?" to see each signal's contribution.

■ 11 Breathing Patterns
Five categories of breathing techniques for every moment: relaxation, focus, emergency stress relief, and sleep.

・4-7-8 Breathing (Relaxation)
・Box Breathing (Focus)
・Coherent Breathing (HRV Optimization)
・Physiological Sigh (Instant Calm)
・SOS Breathing, Quick Breathing, Night Breathing, and more

■ Post-Session Heart Rate Feedback
See how your heart rate changed before and after each session. Understanding your body's response keeps you motivated.

■ HRV Monitoring
Automatically captures and visualizes HRV (Heart Rate Variability) from Apple Watch. Track your daily condition through HRV trends.

■ Morning Condition History
View 7-day trends of wake-up HRV, resting heart rate, and sleep duration in charts. Small daily changes reveal your body's rhythm.

■ Habit Tracking
Record every breathing session. Streaks and weekly charts help you build a lasting habit, at your own pace.

■ Smart Notifications
Gentle reminders when stress is elevated or at your scheduled times. Notifications are automatically suppressed during sleep. Morning condition alerts help you start each day with awareness.

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Completely free. No ads.
Your health data is never sent to external servers.
All data stays on your iPhone, Apple Watch, and iCloud.

Apple Watch required (breathing exercises and HRV measurement run on Watch).