CardioLens - Heart & Health

****IMPORTANT MEDICAL DISCLAIMER:** This application is for informational and educational purposes only. CardioLens is NOT a medical device, nor a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this app. **Visualize your heart health like never before.** CardioLens is the ultimate tool to visualize and understand health data from your favorite connected devices. Compatible with **Fitbit**, **Google Fit**, and **Health Connect**, our app centralizes your vital data in a modern, clear, and privacy-focused interface. **Key Features:** * **Advanced Heart Monitoring** * View your continuous heart rate with precise, interactive charts. * Analyze your resting heart rate (day and night) and **Heart Rate Variability (HRV)** to detect recovery trends. * Monitor your **Blood Oxygen levels (SpO2)** during sleep and rest. * Check your heart rate zones (Rest, Fat Burn, Cardio, Peak). * **Sleep Analysis** * Understand your nights with detailed sleep cycle breakdowns (Light, Deep, REM). * Track sleep duration and efficiency to improve your rest. * **Activity & Intensity** * Track your daily steps and active calories burned. * View workout history (Walking, Running, Cycling, etc.) with intensity details. * **Total Privacy** * **Your data remains yours.** CardioLens stores all your data **locally** on your phone. * No data is sent to external servers or sold to third parties. * Direct and secure connection to Fitbit and Google APIs. * **Modern Interface** * Clean, intuitive design (Material Design 3). * Automatic Dark Mode. * Smooth navigation and zoomable charts. **Why CardioLens?** Whether you are an athlete looking to optimize performance or simply concerned about your cardiovascular health, CardioLens gives you the keys to understand your body. **Download CardioLens now and take control of your health!** --- **HEALTH CONNECT TRANSPARENCY** CardioLens requests access to the following Health Connect data to provide its core features: * **Heart Rate & HRV**: To display interactive continuous heart rate charts and calculate recovery trends. * **Sleep**: To visualize sleep cycles and stages. * **Oxygen Saturation (SpO2)**: To monitor blood oxygen levels during rest. * **Steps & Active Calories**: To provide a daily summary of your physical activity. * **Exercise Sessions**: To identify workout periods and analyze heart rate response during effort. We strictly follow the **Health Connect Limited Use** requirements. Your data is stored **only locally** on your device and is never shared, sold, or uploaded to any server. --- *Note: CardioLens requires a Fitbit account, Google Fit, or a Health Connect compatible data source to function.*