CardioLens - Heart & Health

Content rating
Everyone
10+
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Content rating
Everyone
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About 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) 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.*
Updated on
Mar 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Committed to follow the Play Families Policy
Content rating
Everyone
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App support

About the developer
GANDY Matthieu
contact@dynag.co
France