**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) to detect recovery trends.
* 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 & Steps**
* Track your daily steps, distance traveled, and 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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*Note: CardioLens requires a Fitbit account, Google Fit, or a Health Connect compatible data source to function.*