Cardiio: Heart Rate Monitor

Cardiio: Heart Rate Monitor

Download on App Store
Logo of Cardiio: Heart Rate Monitor

Cardiio: Monitor Your Heart Health Instantly Without a Wearable

Join over 9.8 million users who trust Cardiio for accurate pulse tracking and deep health insights. Transform your iPhone into a professional heart monitor to track trends, strengthen your heart, and gain the peace of mind you deserve.

Publisher

Cardiio, Inc.

Category

Health & Fitness

Downloads

5M+

User Rating

4.7/5

Total Ratings

158K+

Locales

13

Insights at a Glance

Discover the interface used by 5M+ users.

Smartphone displaying a heart rate of 57 bpm using the Cardiio app camera sensor

Smartphone displaying a heart rate of 57 bpm using the Cardiio app camera sensor

Cardiio app dashboard showing heart rate trends and pulse waveform analysis

Cardiio app dashboard showing heart rate trends and pulse waveform analysis

A smartphone screen showing the Cardiio app heart rate history log with multiple pulse wave readings and BPM measurements.

A smartphone screen showing the Cardiio app heart rate history log with multiple pulse wave readings and BPM measurements.

Cardiio app screen displaying instructions for a high knees fitness exercise

Cardiio app screen displaying instructions for a high knees fitness exercise

Cardiio app dashboard displaying pulse waveform fitness level endurance score and health metrics for habit tracking

Cardiio app dashboard displaying pulse waveform fitness level endurance score and health metrics for habit tracking

Cardiio app interface showing target heart rate zones for exercise and daily calories burned tracking

Cardiio app interface showing target heart rate zones for exercise and daily calories burned tracking

Smartphone screen showing a guided 7 minute workout session with a lunge exercise animation and countdown

Smartphone screen showing a guided 7 minute workout session with a lunge exercise animation and countdown

Cardiio app interface displaying heart rate comparison by age and gender with life expectancy insights

Cardiio app interface displaying heart rate comparison by age and gender with life expectancy insights

Advanced Heart Health, Simplified

The tools that make this app stand out, trusted by 5M+ users.

📱

Instant Heart Monitoring

Measure your heart rate and oxygen levels in seconds using just your iPhone camera—no chest straps or expensive wearables needed.

📈

Actionable Health Trends

Sync seamlessly with Apple Health and visualize your progress with easy-to-read reports that you can export directly for your doctor.

👥

Age-Based Benchmarking

Gain peace of mind by comparing your stats with others in your age group to see exactly where your cardiovascular health stands.

About the app

Everything you need to know about Cardiio: Heart Rate Monitor.

Description

Track Your Heart Health for Free, Anytime, Anywhere with Cardiio. Join over 9.84 million users who trust Cardiio for accurate, easy heart health monitoring. Transform your iPhone into a powerful health tool — track your heart rate, boost fitness, and gain valuable insights, all with just your phone. Key Features: 1. Instant Heart Rate Monitoring—Accurate and Effortless • Place your finger on the camera for a precise reading in seconds. • Featured on CBS’s The Doctors and ABC News. 2. All-in-One Health Tracking Made Simple • Measure heart rate, blood oxygen, and fitness effortlessly. • Compare your progress with others in your age, gender, and region for motivation. 3. Quick Workouts to Strengthen Your Heart • Short, high-intensity 7-minute workouts that boost overall health. 4. Stay in Control—Monitor Progress and Build Healthy Habits • Unlimited heart rate tracking to stay on top of your health. • Analyze daily, weekly, and monthly trends—sync seamlessly with Apple Health. • Export your data easily for personal records or to share with a doctor. Ready for Deeper Insights? Unlock Cardiio PRO for the next level: • In-depth pulse waveform analysis • Blood pressure estimates and detailed oxygen tracking • Tailored calorie burn estimator for your activities • Personalized health comparisons by age and sex • Hypothetical life expectancy based on your heart trends Why Choose Cardiio? Cardiio combines simplicity with advanced tracking—perfect for anyone seeking accurate, no-fuss health monitoring. Enjoy a complete set of free features, with the option to unlock more when you’re ready for a deeper dive. What the Press is Saying: PC Magazine: "Simple, beautiful, and pretty slick." Cult of Mac: "Cardiio is one of those apps that wows you..." Lifehacker: "It’s a little mind-blowing..." How to Get the Most Out of Cardiio: Track Daily: Start each day by checking your heart rate to set a baseline. Follow Your Progress: Use the dashboard to track trends and adjust your goals. Upgrade for More: Enjoy powerful free features or upgrade when you want even deeper insights. Download Cardiio now and take charge of your heart health! Disclaimer: NOT FOR MEDICAL USE: Cardiio is intended for informational purposes only. If you have concerns about your heart health, consult a healthcare professional. Additional Information: Terms of service: https://www.cardiio.app/terms-of-use Privacy policy: https://www.cardiio.app/privacy-policy

Latest Version

4.1.4

Size

96.6 MB

First Released

Aug 9, 2012

Ready to Take Control of Your Heart Health?

Join over 9 million users who trust Cardiio for instant insights and peace of mind—no extra hardware required. Download today and start tracking your vitals right from your iPhone.

Download on App Store
FAQ

Frequently Asked Questions

Everything you need to know about Cardiio: Heart Rate Monitor

How does Cardiio measure heart rate?

Cardiio measures your heart rate by using your iPhone's camera. You place your finger on the camera lens, and the app provides a precise reading in seconds, transforming your device into a health tool.

Is Cardiio a free heart rate monitoring app?

Yes, Cardiio offers a comprehensive set of free features for heart health monitoring. Users have the option to upgrade to Cardiio PRO for additional advanced insights and functionalities.

What health data can Cardiio track?

Cardiio tracks heart rate, blood oxygen, and general fitness. Cardiio PRO expands this to include blood pressure estimates, detailed oxygen tracking, and a personalized calorie burn estimator.

Does Cardiio integrate with Apple Health?

Yes, Cardiio integrates seamlessly with Apple Health. It syncs your daily, weekly, and monthly heart rate trends and other health data, allowing for centralized health management.

Can Cardiio provide medical diagnoses?

No, Cardiio is not for medical use. It provides information for general purposes only. Always consult a healthcare professional for any concerns about your heart health.

Does Cardiio offer guided workouts?

Yes, Cardiio includes quick, high-intensity 7-minute workouts designed to strengthen your heart and boost overall health. These workouts are guided with specific exercises like Lunges.

How can I compare my heart health with others using Cardiio?

Cardiio allows you to compare your progress with others in your age, gender, and region. Cardiio PRO offers personalized health comparisons for deeper insights into your health trends.

Does Cardiio provide an estimated life expectancy?

Yes, Cardiio PRO provides a hypothetical life expectancy based on your heart trends. This calculation is for informational purposes only and is not intended to measure life expectancy accurately.

App information, icons, screenshots, and descriptions displayed on this page are sourced from the Apple App Store and are the property of their respective developers. Download estimates and rankings are based on MWM's proprietary models and may not reflect actual figures. This page is provided for informational and analytical purposes only.

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