Correlate - Health Insights

Your body is a complex system. Correlate reads your Apple Health data and reveals the hidden cause-and-effect patterns—100% on-device, no accounts needed.

Your body is a complex system. It's time to see how everything connects.

Correlate is a powerful data visualization tool designed for the Quantified Self. By reading directly from Apple Health (HealthKit), Correlate goes beyond simple step counting to reveal the hidden cause-and-effect relationships in your physiology.

No accounts. No cloud uploads. Just pure, local insights.

◈ KEY FEATURES

◉ Discover Correlations Does caffeine affect your sleep latency? Does running improve your HRV the next day?

Auto-Discovery: Correlate automatically scans your data to find significant positive or negative correlations (Pearson r).

Visualize Trends: See how two different metrics interact over time with dual-axis charts.

◉ Deep Dive Statistics For those who need more than just "averages."

Get professional-grade metrics: Standard Deviation, Median, Variability (CV), and Range.

Identify outliers and long-term baselines.

◉ Smart Dashboard

Health Score: An aggregate metric to gauge your daily readiness.

Predictive Insights: Based on your historical data, see how changes in activity might impact tomorrow's recovery.

Trend Alerts: Get notified when metrics like Resting Heart Rate deviate significantly from your norm.

◈ PRIVACY FIRST

Your health data is sensitive. Correlate operates with a strict "Local-First" philosophy. All calculations happen directly on your iPhone. We do not track you, and we do not sell your data.

Requires an iPhone with Apple Health data.