Cardiio: Heart Rate Monitor
Cardiio, Inc. Health & Fitness iPhoneiPadiPod touch
Cardiio: Heart Rate Monitor is a free Health & Fitness app for iPhone and iPad by Cardiio, Inc. Rated 4.7/5 from 58,438 ratings. Requires iOS 16.6.
- Rating
- 4.7
- 58.4K ratings
- Price
- Free
- on the App Store
- Size
- 101 MB
- Age 12+
- Updated
- Jun 26
- 2026 · v4.1.7
Screenshots
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
Ratings & reviews
4.7
58.4K ratings
What’s new
Version 4.1.7 · Updated June 26, 2026
- Performance improvements - Bug fixes
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.
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Instant Heart Rate: HR Monitor
4.9
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Heart Rate Monitor - Pulse BPM
4.6
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ECG+ | Your Watch ECG Reader
4.5
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ECG heart analyze - watch
4.7
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Heart Rate Monitor
4.6
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Heart Analyzer: Pulse Tracker
4.7
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 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 | Compare |
| Heart Rate Monitor - Pulse BPM | 4.6 / 5 (130,242) | Free | Apr 29, 2026 | Compare |
| ECG+ | Your Watch ECG Reader | 4.5 / 5 (2,487) | Free | Sep 1, 2026 | Compare |
| ECG heart analyze - watch | 4.7 / 5 (1,646) | Free | Jun 20, 2026 | Compare |
| Heart Rate Monitor | 4.6 / 5 (2,233) | Free | Aug 24, 2026 | Compare |
| Heart Analyzer: Pulse Tracker | 4.7 / 5 (22,176) | Free | Sep 16, 2026 | Compare |