CardioLens - Heart & Health

Dynag

About this app

****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!**

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**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.

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*Note: CardioLens requires a Fitbit account, Google Fit, or a Health Connect compatible data source to function.*