Cardiio: Heart Rate Monitor
Cardiio: Frequenza Cardiaca
Cardiio: Heart Rate Monitor is #196 in Health & Fitness Free in Italy and charting in 1 of 24 countries we track.
Updated 28 Sep 2026 · rankings refresh through the day
DeveloperCardiio, Inc.
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.7 (26k)
Version4.1.7
Age rating12+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)10M+ worldwide
Rating
4.7 ★
26k ratings
Measured
Best rank now
#196
Health & Fitness FreeMeasured
Cardiio: Heart Rate Monitor on the App Store
App details
App ID
542891434
Publisher
Cardiio, Inc.
Minimum OS
iOS 16.6+
Content rating
12+
Languages
13
NL EN FR DE IT JA KO PT RU ZH ES SV …
Size
106 MB
Cardiio: Heart Rate Monitor downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Cardiio: Heart Rate Monitor's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Cardiio: Heart Rate Monitor before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Subscription-led
How Cardiio: Heart Rate Monitor makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Weekly Pro Upgrade subscription | |
| 2 | Full Pro Upgrade! subscription | |
| 3 | Pulse Waveform Pack | |
| 4 | Annual Pro Upgrade subscription | |
| 5 | Hypothetical Life Expectancy Pack | |
| 6 | Specific Heart Rate Pack | |
| 7 | Calorie-Burn Estimator | |
| 8 | Target Heart Rate Pack | |
| 9 | Remove Promo Banner | |
| 10 | Coach Max subscription |
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Italy | Health & FitnessFree | #196 |
Apps near Cardiio: Heart Rate Monitor on the chart
Health & Fitness Free, around #196.
Ratings
App Store, worldwide.
Rating
4.7 ★
26k ratings
Measured
Ratings
26k
Measured
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
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 updates
4.1.7
- Performance improvements
- Bug fixes