WatchHRV: Watch HRV Trends

WatchHRV turns the heart rate variability (HRV) readings your Apple Watch saves to Apple Health into clear averages, trends and patterns. All features free. No account needed. YOUR HRV AT A GLANCE • 7-day HRV and its change against your 30-day average • Averages for 7, 30, 90, 180 and 365 days, with the number of days that had readings • Last night: overnight HRV, resting heart rate, sleep, breathing rate, blood oxygen and wrist temperature, each against your own 60-day usual range • Every reading of a day, with its time and source TRENDS • Charts by day, week or month, with weekly low–high ranges • Whole years and all the history you have • An HRV calendar that colors each day against your usual range • This week, this month, 90 days and 6 months compared with the period before • Resting heart rate and sleep lined up under your HRV chart • Each day counts once, and missing days are never counted as zero INSIGHTS FROM YOUR OWN DATA • See your HRV after 7+ hours of sleep, workouts, active days, mindful minutes, alcohol or caffeine • Tag your day in one tap (Alcohol, Late meal, Hard workout, Unwell, Travel, Stress) or make your own tags • Compare any two metrics on one chart • Every insight shows its sample sizes and says when there's no clear difference. It's a pattern in your data, not proof of cause. GOALS • Set your own HRV target and build a streak of days above it • Streak calendar and best streak YOUR DATA, YOUR WAY • Pick your sources and leave out manually entered readings • Export readings or a daily summary as CSV, or share a PDF report for 30, 90 or 365 days • Home Screen widget with your HRV averages • Light and dark themes, and larger text PRIVATE BY DESIGN Health data is read with your permission and processed on your iPhone. It is never uploaded to us, sold or used for ads. An optional account (18+) backs up your settings; health readings are never included. FREE, WITH AN OPTIONAL AD-FREE PLAN All features are free. The free version shows occasional, dismissible promotions for our own apps only, with no third-party ads. An optional subscription (weekly, monthly or yearly) removes all ads in all our apps on this iPhone. It unlocks no extra features. Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel them in your Apple Account settings. Deleting the app doesn't cancel a subscription. IMPORTANT WatchHRV is for general wellness and fitness. It is not a medical device and doesn't diagnose, treat or prevent any condition, monitor you continuously or send alerts. Readings can be missing or imprecise, and averages are estimates. Don't use WatchHRV to make medical decisions. If you have symptoms such as chest pain, fainting or shortness of breath, contact emergency services or a doctor right away. Needs HRV readings in Apple Health, usually from Apple Watch. Terms of Use: https://watchhrv.com/terms/ Privacy Policy: https://watchhrv.com/privacy/