Heart Alerts turns your iPhone into a powerful real-time heart rate monitoring tool, using Bluetooth-connected heart rate sensors.

Originally developed with heart patients in mind, the app is designed to be simple, calm, and reassuring—whether you’re recovering from a cardiac event, staying in a safe zone during rehab, or just keeping an eye on your numbers during everyday life. It’s also great for athletes, fitness enthusiasts, and anyone who wants instant, reliable feedback from a chest strap or wearable.


FREE VERSION:
• Connect to your Bluetooth heart rate monitor
• Live heart rate display
• Visual alerts when out of range
• Manual reconnect and refresh support
• Clean, large-font interface
• No login or account required


PREMIUM UPGRADE (One-time purchase):
• Customizable high/low heart rate alerts
• Sound alerts using system tones
• Vibration alerts
• Background monitoring + notifications
• Alert cooldown logic (avoid notification fatigue)
• Status bar and accessibility improvements
• All future Pro features included


COMPATIBLE BLUETOOTH SENSORS:

Heart Alerts supports standard Bluetooth Low Energy (BLE) heart rate monitors using the Heart Rate Service (HRS) profile, including:
• COROS Heart Rate Monitor (primary test device)
• Polar H10, H9, H7
• Garmin HRM-Pro, HRM-Dual, HRM-Run
• Wahoo TICKR, TICKR X, TICKR FIT
• Suunto Smart Sensor
• 4iiii Viiiiva
• CooSpo H6, H808S
• Magene H64, H303
• iGPSPORT HR40
• Apple Watch (in HR Broadcast mode – support coming soon)

Note: Please use the free version to test compatibility with your sensor before upgrading. Not all BLE devices follow standard protocols.


PERFECT FOR:
• Staying within prescribed heart rate zones
• Rehab and post-cardiac recovery monitoring
• Fitness and endurance training
• Health-conscious users seeking peace of mind


PRIVACY & ACCESSIBILITY:
• Your data stays on your device — no accounts, no ads
• Optimized for VoiceOver and high-contrast needs
• Battery-efficient for long sessions


Download Heart Alerts now and take control of your heart health with confidence.