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CardioSense - Heart Monitoring
Pulse rate, ECG, HRV and more
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
Stay in control of your health with CardioSense, the all-in-one app for heart rate monitoring, pulse tracking, ECG analysis, HRV insights, advanced blood oxygen and respiratory wellness analytics — and now Sleep Analysis, giving you a complete picture of your overnight recovery and cardiovascular stability. Whether you’re managing your heart health, optimising performance, or simply staying informed, CardioSense gives you clear, actionable data — right on your phone.
Heart Rate & Pulse Monitoring
Track your heart rate, resting heart rate, and pulse trends with instant, accurate readings. CardioSense helps you visualise fluctuations throughout the day — and now throughout the night — so you always know how your heart is performing.
Go Back in Time — Explore Your Heart’s History*
Unlock your full health timeline with detailed historical heart rate data, long-term trend analysis, and intuitive charts. Compare past and present metrics — including sleep trends — to understand how workouts, stress, and lifestyle habits influence your health over time.
Trends — See the Bigger Picture*
CardioSense now automatically highlights long-term patterns in your heart rate, HRV, sleep, ECG activity, respiratory rate, and blood oxygen.
Spot improvements, identify concerning changes, and understand how your daily habits shape your health over weeks, months, and beyond.
AI Insights — Personalised Health Interpretation*
Let CardioSense translate your data into meaningful insights.
With AI-powered analysis, CardioSense can help you understand your health with more personalised guidance without needing to be a data expert.
Advanced ECG Analysis (Electrocardiograms)
Bring clinical-grade ECG insights to your pocket. CardioSense reads and interprets electrocardiogram data recorded with Apple Watch so you can view waveforms, analyse rhythm patterns, monitor irregularities, and track improvements over time.
Health Report Exporting*
Create a CardioSense - Pro Health Report that brings together your heart rate trends, ECG summaries, HRV patterns, sleep analysis, respiratory insights and blood oxygen data in one easy-to-share format. Perfect for sharing key information with health care providers.
HRV Insights for Stress, Recovery & Readiness
Your Heart Rate Variability (HRV) reveals how your body responds to stress and recovers from activity. CardioSense provides daily HRV breakdowns, readiness indicators, and overnight HRV trends for a more complete picture of wellness.
Sleep Analysis & Overnight Insights
Understand how well your body recovers while you sleep. CardioSense provides detailed sleep metrics, including:
Overnight heart rate trends
Sleep stages and duration
Wrist temperature vs baseline
Intuitive charts for easy visualisation
Wake up with a clearer picture of your overall readiness and long-term wellness.
Respiratory Wellness Tracking
Gain a deeper understanding of your breathing patterns with respiratory rate insights, activity-based comparisons, sleep-time averages, and early detection of irregular changes.
Blood Oxygen (SpO₂) Monitoring
Track your blood oxygen levels to understand respiratory efficiency and cardiovascular wellness. Discover how your oxygen saturation varies across workouts, rest — and throughout sleep.
Subscriptions
Some advanced features — including deeper analytical insights, extended historical data, enhanced charts, sleep stage breakdowns, and exporting capabilities — may require an optional subscription to unlock the full CardioSense experience.
Disclaimer
NOT FOR MEDICAL USE: CardioSense is intended for informational purposes only. If you have concerns about your health, consult a healthcare professional.
Additional Information:
Terms of Service: https://onlyapps.co.uk/cardiosense-terms-conditions/
Privacy Policy: https://onlyapps.co.uk/cardiosense-privacy-policy/
EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New: Track your heart data in real time right from your wrist, with quick access to key metrics, no need to reach for your phone.
Subscriptions
The developer, OnlyApps Limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- OnlyApps Limited
- Size
- 9.3 MB
- Category
- Medical
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 11.6 or later.
- iPhone
- Languages
English and 5 more
- English, French, German, Japanese, Simplified Chinese, Spanish
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Monthly $0.99
- Annually $9.99
- Copyright
- © 2026 OnlyApps Limited