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Cardiio: Heart Rate Monitor screenshot 1
Cardiio: Heart Rate Monitor screenshot 2
Cardiio: Heart Rate Monitor screenshot 3
Cardiio: Heart Rate Monitor screenshot 4

About Cardiio: Heart Rate Monitor

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

Cardiio: Heart Rate Monitor details

Cardiio: Heart Rate Monitor is a free Health & Fitness app for iPhone, iPad and iPod touch, developed by Cardiio, Inc. It is rated 4.7 out of 5 from 58,438 ratings on the App Store, requires iOS 16.6 or later, is 101 MB to download and is available in 12 languages. It was first released on August 9, 2012 and last updated on June 26, 2026.

Category
Health & Fitness
Rating
4.7 / 5 (58,438 ratings)
Price
Free
Current version
4.1.7
Size
101 MB
Requires
iOS 16.6 or later
Compatibility
iPhone, iPad, iPod touch
Languages
English, Dutch, French, German, Italian, Japanese, Korean, Portuguese and 4 more
Age rating
12+
Released
August 9, 2012
Last updated
June 26, 2026
Developer
Cardiio, Inc.

Ratings breakdown

5 stars 80% (46,466) 4 stars 15% (8,889) 3 stars 4% (2,206) 2 stars 1% (367) 1 star 1% (510)

What’s new in Cardiio: Heart Rate Monitor

- Performance improvements - Bug fixes

Version 4.1.7 · Updated June 26, 2026

Cardiio: Heart Rate Monitor app privacy

The developer, Cardiio, Inc., reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Cardiio: Heart Rate Monitor

Looking for apps like Cardiio: Heart Rate Monitor? Here are 6 similar apps on the App Store. The highest rated is Instant Heart Rate: HR Monitor (4.9/5), and all 6 are free to download.

Instant Heart Rate: HR Monitor

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Cardiio: Heart Rate Monitor vs. alternatives
App Rating Price Last updated
Cardiio: Heart Rate Monitor 4.7 / 5 (58,438 ratings) Free June 26, 2026
Instant Heart Rate: HR Monitor 4.9 / 5 (228,947) Free Jan 10, 2026
Heart Rate Monitor - Pulse BPM 4.6 / 5 (130,242) Free Apr 29, 2026
ECG+ | Your Watch ECG Reader 4.5 / 5 (2,487) Free Sep 1, 2026
ECG heart analyze - watch 4.7 / 5 (1,646) Free Jun 20, 2026
Heart Rate Monitor 4.6 / 5 (2,233) Free Aug 24, 2026
Heart Analyzer: Pulse Tracker 4.7 / 5 (22,176) Free Sep 16, 2026