Privacy Policy
Privacy Policy Last Updated: July 4, 2025 Your privacy is critically important to us. This policy outlines how Sanctuary: Sleep Monitor ("the app") handles your data. Core Principle: Your Data Stays on Your Device We designed this app with a "privacy-first" approach. All sensor data processing and analysis happens exclusively on your device. We do not have servers, and we do not collect, store, or transmit your personal or sensor data. What Information We Use & Why Microphone Access: Used solely to measure ambient sound (decibel) levels. The audio is processed in real-time and is never recorded or saved. Sensor Access (Accelerometer, Gyroscope, Magnetometer, etc.): Used to measure vibration, light, temperature, humidity, and EMF levels. This data is processed locally and discarded. ...