Entrain uses Apple Watch data to show how your body responds to stress—and how training practices like meditation and breathing change recovery over time.
Knowing you are stressed is useful. Knowing how fast you recover is trainable.
They provide content, but don't show if your nervous system is actually changing.
Raw data without longitudinal context makes it hard to see true progress.
How quickly your body returns to baseline after a stress event. This is your primary metric of resilience.
How effectively your nervous system handles daily demands without getting stuck in 'fight or flight'.
Longitudinal tracking to see if your recovery patterns are improving week over week.
Work, movement, and mental effort activate your nervous system naturally throughout the day.
Stillness, breathing, and attention practices act as specific training inputs for your nervous system.
Using Apple Watch data, we analyze how stress resolves across days and weeks relative to your baseline.
Not just scores, but explanations of your capacity provided by our system.
Different protocols trigger different physiological adaptations.
Entrain does not provide guided sessions. It helps you measure the effect of your existing practice.
Dealing with chronic stress and seeking objective recovery data to manage burnout risk.
Who want objective feedback on their practice effectiveness beyond subjective feeling.
Apple Watch users who care about recovery kinetics and training progression.
We're onboarding a small group of Apple Watch users who want deeper insight into stress and recovery.