Keel - Biometric Habits

Know the cost. Own the morning. Keel connects your habits to the signals that matter—HRV, sleep, and resting heart rate—so you can make clearer decisions without guilt.

Keel turns your mornings into useful feedback.

Most alcohol trackers focus on streaks, calories, or shame. Keel takes a different approach: log your nights, connect Apple Health, and see how your choices show up in the signals that matter to you.

Track the relationship between drink nights and:

Heart rate variability (HRV) Sleep quality Resting heart rate Your personal baseline Progress toward your own target Keel helps you spot patterns over time, not chase perfection. See the difference between held nights and nights that go over your line. Review trends, compare outcomes, and build a clearer picture of what supports your next morning.

Built for clarity, not guilt.

Whether you’re taking a break, cutting back, or simply learning how alcohol affects your performance, Keel gives you a practical record of the relationship between your choices and your body’s signals.

Features

Log drink counts in seconds Set a zero-drink or cut-back target Connect Apple Health for HRV, sleep, and resting heart-rate data See daily performance signals and personal trends Compare drink nights with your baseline Review progress and estimated performance ROI Keep your information private and under your control Keel is not medical advice and does not diagnose, treat, or prevent any condition. Health data is used to help you understand personal trends.