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What data VitalSync reads and writes to Apple Health, and how to revoke access.
For informational and educational purposes only. VitalSync is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. All content presents health data against established clinical reference ranges. Always consult a qualified healthcare professional for medical advice, diagnosis, or treatment.
HealthKit Data Access
VitalSync reads and writes data to Apple Health (HealthKit) with your explicit permission.
What VitalSync Reads
| Data Type | Used For |
| Blood Pressure | Dashboard BP card, trends |
| Heart Rate | Pulse card, HRV analysis |
| HRV (SDNN/RMSSD) | Correlation Engine, Readiness Score |
| Oxygen Saturation | SpO₂ tracking |
| Sleep Analysis | Sleep card, Correlation Engine |
| Body Mass | Body composition tracking |
| Blood Glucose | Blood sugar tracking |
| Active Energy | Calorie balance |
| Steps | Activity tracking |
What VitalSync Writes
VitalSync writes manually entered readings back to Apple Health so they are available to other apps:
- Blood pressure readings
- Blood glucose readings
- Body weight entries
Revoking Access
To revoke VitalSync's access to Apple Health:
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