Cardiogram - HR Monitor

Content rating
Everyone
50+
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Content rating
Everyone
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About this app

Cardiogram is a private, real-time heart rate monitor, BPM tracker, and workout analysis app designed for Android users who want accurate heart rate data without subscriptions, cloud services, or unnecessary complexity.
Monitor, record, and analyze your heart rate during workouts, cardio sessions, recovery, or daily activity using compatible Bluetooth Low Energy (BLE) heart rate monitors. Sync with Health Connect while keeping control of your health information.
Unlike many fitness apps, Cardiogram works without accounts, cloud storage, or data tracking. Your health data stays on your device, where it belongs.

REAL-TIME HEART RATE & BPM TRACKING
Track live heart rate and BPM from compatible Bluetooth heart rate monitors. Whether you're running, cycling, training indoors, or monitoring exercise intensity, Cardiogram provides real-time feedback to help you stay in your target heart rate zone.
Perfect for:
• Running
• Cycling
• Walking
• Cardio training
• HIIT workouts
• Endurance training
• General fitness tracking

HEALTH CONNECT INTEGRATION & WORKOUT ANALYSIS
Sync your heart rate data with Health Connect and keep your fitness information organized in one place.
Cardiogram can import and analyze workout data from Health Connect, including sessions recorded by compatible fitness apps. Review your heart rate trends, workout intensity, and training history across your Android ecosystem.

RECOVERY HEART RATE
Understand how your body recovers after exercise with Recovery Heart Rate analysis.
Track how quickly your heart rate decreases after a workout and use recovery trends to better understand your cardiovascular fitness and training progress.
PRIVACY FIRST
Your health data belongs to you.
• No account required
• No cloud storage
• No tracking
• No data selling
• Local data storage
Cardiogram is built for users who value privacy as much as accuracy.

HEART RATE ZONES FOR SMARTER TRAINING
Understand workout intensity instantly with color-coded heart rate zones:
• Fitness
• Fat Burn
• Aerobic
• Anaerobic
• Maximum Effort
Monitor your training effort in real time and optimize workouts based on your heart rate.

WIDE BLE SENSOR COMPATIBILITY
Connect compatible Bluetooth heart rate monitors from leading brands including:
• Polar
• Garmin
• Wahoo
• CooSpo
• Magene
• Other BLE heart rate monitors
Ideal for runners, cyclists, gym users, and fitness enthusiasts who rely on accurate heart rate monitoring.

FAST, RELIABLE, AND BATTERY FRIENDLY
Cardiogram is optimized for efficient performance during long workouts and extended monitoring sessions. Quickly connect to your heart rate monitor and focus on your training without unnecessary distractions.

BUILT FOR FITNESS AND DAILY MONITORING
Use Cardiogram to:
• Monitor workout heart rate
• Analyze training intensity
• Track heart rate zones
• Measure Recovery Heart Rate
• Review workout history and trends
• Record heart rate sessions
Simple, accurate, private, and built to help you better understand your heart rate.

Disclaimer: Cardiogram is not a medical device and does not diagnose, treat, cure, or prevent medical conditions. Always consult a qualified healthcare professional regarding medical concerns.
Updated on
Jul 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

• Import heart rate workouts from all your connected apps and devices (not just Cardiogram) — Wear OS, Strava, Garmin, and more
• See which app or device recorded each workout
• New: Recovery Heart Rate (1 min after your workout ends)
• Zone legend now shows only the zones you actually reached, with time spent in each
• History refreshes automatically in the background — no need to pull to refresh