Cardiio: Heart Rate Monitor
By Cardiio, Inc.
MIND evaluation
- Cost
- Free to Download, In-App Purchase, Subscription
- Platforms
- iOS
- Supported Conditions
- Cardiovascular Health
- Privacy
- Has Privacy Policy, App Declares Data Use and Purpose, Is De-Identified Data Shared, Is PHI Shared, App Reports Security Measures in Place, Is Anonymized/Aggregate Data Shared, Can Delete Data, Data Stored on Device
- Clinical Foundation
- Well Written Relevant Content, Does What it Claims, Patient Facing, Use Warning
- Features
- Physical Health, Biodata, Track Symptoms
- Functionalities
- Email or Export Your Data, Spanish, Offline, Own Your Own Data, French
- Engagements
- User Generated Data, Videos, Audio/Music/Scripts
- Treatment Approaches
- Physical Health Exercises
- Inputs
- Camera
- Outputs
- Notifications, Graphs of Data, Summary of Data, Reminders
- Developer Type
- For Profit Company
Last reviewed: August 17, 2026
Rater review
This review represents the view of the app rater and is not an endorsement by MIND.
This app allows users to track their heart rate using their phone. The app is completely free to download and use.
From the app store
Description from the app store — not vetted by MIND
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,…