A wearable should not lock your biometric data in a silo. The Oura app features two-way data pipelines through Apple Health sync on iOS and Health Connect integration on Android. Syncing these pipelines lets you export nighttime recovery data into your wider digital ecosystem while pulling in third-party exercise files, step data, and dietary information from platforms like Strava, Peloton, or MyFitnessPal.
Hormone health operates through automated Cycle tracking. Using continuous nocturnal skin temperature deviations rather than manual calendar guessing, the software predicts menstrual phases, follicular shifts, and luteal transitions up to five days in advance. Temperature shifts as minor as 0.3°C to 0.5°C immediately reconfigure daily readiness targets, lowering exertion goals when internal strain peaks.
| Core Feature | Sensor / Hardware Source | Primary Dashboard Metric | Third-Party Sync Support |
|---|---|---|---|
| Sleep Architecture | Green/Red PPG + 3D Accelerometer | Sleep Score & Hypnogram Stages | Apple Health, Health Connect |
| Live Workout HR | High-frequency Green LEDs | Real-Time BPM & Cardio Zones | Strava, Apple Fitness |
| Autonomic Recovery | Infrared PPG Sensors | Readiness Score & Nighttime HRV | Apple Health, TrainingPeaks |
| Vascular Health | Dual Pulse Wave Velocity Sensors | Cardiovascular Age & Capacity | Internal Platform Only |
| Metabolic Timing | Manual Log + Labs Meal Camera | Circadian Meal Window Windows | MyFitnessPal, Cronometer |
Experimental tools within Oura Labs let you photograph meals to log dietary timing. Eating within two hours of sleep spikes resting heart rate and elevates your body temperature by an average of 0.4°F to 0.8°F overnight. Logging meal times lets the app visualize how late-night snacking interferes with your deep sleep architecture.