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Heart Rate Variability Monitoring

Understand Your HRV at a Glance

Beautiful charts, actionable insights, and smart alerts for your Heart Rate Variability—right on your Apple Watch

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Track HRV Trends Over Time

View your heart rate variability across 24 hours, 7 days, or 30 days with color-coded insights

24-hour HRV chart

24-Hour Chart

Track individual HRV readings with traffic-light colors showing health trends throughout your day

24-hour HRV chart

Weekly Trends

See daily averages in bar charts to identify patterns and recovery cycles

Monthly HRV chart

Monthly Overview

View 30-day trends to understand long-term stress, recovery, and fitness adaptations

Comprehensive HRV Statistics

Get instant insights with min, average, latest, and max values for every time period

40
Average HRV
Typical reading
28
Minimum HRV
Lowest recorded
42
Latest HRV
Most recent
47
Maximum HRV
Peak value
Smart Alerts

Low HRV Notifications

Get alerted when your HRV drops below your custom threshold, helping you identify stress or potential illness early

  • ✓
    Adjustable threshold from 10-100 ms in 5 ms increments
  • ✓
    Smart cooldown prevents alert fatigue
  • ✓
    Privacy option to hide values in lock screen notifications
HRV alert settings showing Low HRV Alert toggle, threshold control at 30ms, and notification privacy option

Watch Face Complications

Keep your HRV visible at all times with beautiful watch face widgets

Speedometer Gauge

WatchDog Health watch face complications showing speedometer gauge and HRV average

Circular complication with gradient arc showing your HRV position in range

Rectangular Widget

WatchDog Health rectangular widget showing HRV Average of 42 ms with range 35-50 ms

Compact view displaying icon, current value, and min/max range

Pro features

Unlock Pro Features

Start with essential HRV tracking, upgrade for advanced insights

Free

  • ✓Current HRV display with timestamp
  • ✓24-hour chart view
  • ✓Basic statistics dashboard
  • ✓Complication with HRV average
Pro

Pro

  • ✓Everything in Free, plus:
  • ✓7-day and 30-day charts
  • ✓Low HRV alarms with custom thresholds
  • ✓All chart color themes
  • ✓Watch complications (all types, HRV average and latest)

Start Tracking Your HRV Today

Download WatchDog Health on your Apple Watch and gain insights into your heart health, stress levels, and recovery

Download on App Store