Sereno: AI Stress Tracker

Sereno is an AI stress monitor for Apple Watch and Apple Health. Track stress, HRV, heart rate, sleep, recovery, activity and breathing patterns in one place, then see what may be changing your body in real time. Stress is rarely one signal. Sereno reads 20+ signals across Apple Watch, Health, sleep, recovery, heart rate, resting heart rate, HRV, steps, workouts, context and long-term change to build a clearer stress picture. USE SERENO TO: - Track live stress and recovery patterns - Understand HRV, heart rate, sleep and activity trends - Catch sudden stress spikes earlier - See AI explanations for what changed - Use guided breathing when your body needs a reset - Review weekly stress trends and recovery patterns - Create doctor-ready summaries you can share - Follow your personal baseline as Sereno learns your normal range WHY PEOPLE USE SERENO Real-time stress monitoring Sereno helps you notice stress while it is happening, not only after the day is over. Apple Watch and Health insights Connect Apple Watch and Apple Health to turn HRV, heart rate, resting heart rate, sleep, steps and workouts into readable stress signals. AI stress explanations Sereno turns your physiology into plain-language insights, showing what changed, what may be driving the shift and what to try next. Anxiety and panic support moments When stress rises quickly, Sereno can surface a calmer next step with breathing and recovery guidance. Weekly reports See how stress, HRV, recovery, sleep and activity moved across the week, so patterns become easier to understand. Doctor-ready summaries Generate concise reports for appointments or personal tracking when you want a clearer view of your stress history. BUILT AROUND YOUR BASELINE Generic stress scores miss context. Sereno learns your personal baseline over time, so changes are compared against your own body instead of a one-size-fits-all number. BUILT FOR PRIVACY Sereno is designed for personal health reflection. You choose what to connect and what to share. SUBSCRIPTION Sereno offers optional premium access for deeper AI insights, weekly reports, doctor-ready summaries and advanced stress tracking features. Subscription details are shown in the app before purchase. IMPORTANT Sereno is not a medical device and does not diagnose, treat or prevent medical conditions. If you are experiencing severe anxiety, chest pain, thoughts of self-harm or a medical emergency, contact local emergency services or a qualified clinician. Terms of Use: https://serenoai.app/terms Privacy Policy: https://serenoai.app/privacy