Cardiogram: HR Monitor 4+

Track your heart with advanced HR BLE sensors while keeping your data private and secure. No subscription, no account needed-just reliable heart monitoring you can trust.

Cardiogram is a sleek, modern, and reliable app designed to help users accurately monitor and record their heart rate in real-time. It offers an intuitive interface with minimalistic design principles, ensuring ease of use while maintaining a strong focus on privacy and data security.

Key Features:

Full Control Over Your Data: All data is stored locally on your iPhone and Apple Health app.
No personal information is sent to external servers, eliminating risks associated with data breaches or privacy scandals.
Apple Health Integration: Seamlessly syncs heart-rate data with Apple HealthKit for comprehensive health tracking.
Workout Recording: Tracks various activities such as walking, running, cycling, and more. Provides detailed graphs and color-coded zones for better insights into performance.
Low Energy Consumption: Optimized for minimal battery usage, ensuring extended device life during workouts.
No Account Required: Unlike many other apps, Cardiogram does not require account creation, simplifying the user experience.
Bluetooth 5.0 Compatibility: Works with a wide range of Bluetooth-enabled heart rate monitors, including popular brands like Polar, Garmin, Wahoo, and others.

Multi-Scenario Monitoring:
Daytime monitoring for detecting anomalies.
Sleep tracking for resting heart rate analysis.
Fitness and cardio exercise tracking.
Stress and anxiety measurement through resting heart rate.

Tested Heart Rate Monitors:
Polar: OH1, H10, H7
Garmin: HRM-Dual, HRM-Pro
Cardiosport: TP3
Sigma Sport: R1 Blue
Wahoo: TICKR
CooSpo Heart Rate Monitors
Magene: H303 Heart Rate Monitor
These sensors have been rigorously tested to ensure accurate and consistent performance with the app.

Color-Coded Workout Zones:
The app uses a visual system to categorize workout intensity levels, helping users optimize their training:
Blue (Fitness Zone): Targeting 60% of max heart rate. Ideal for beginners focusing on cardiovascular health.
Green (Fat-Burning Zone): Reaching 70% of max heart rate. Burns carbs and fats, benefiting overall metabolism and lung capacity.
Yellow (Aerobic Zone): At 80% of max heart rate. Challenging but sustainable effort; improves endurance and aerobic capacity.
Orange (Anaerobic Zone): Approaching 90% of max heart rate. Short bursts ideal for muscle building and performance enhancement.
Red (Maximum Effort Zone): Exceeding 90% of max heart rate. Only suitable for advanced athletes under supervision due to potential risks.

Why Choose Cardiogram?
Privacy First: Local storage ensures no third-party access to sensitive data.
Ease of Use: Simple setup—just power on your sensor and launch the app.
Versatility: Suitable for everyday health monitoring, fitness enthusiasts, and competitive athletes alike.
Reliability: Backed by thorough testing with leading heart rate sensors.

Whether you're looking to improve your fitness, manage stress, or simply stay informed about your heart health, Cardiogram offers a dependable solution without compromising your privacy or convenience.

DISCLAIMER! IT IS NOT THE INTENT OF THE APPLICATION TO PROVIDE MEDICAL DIAGNOSES OR TREATMENTS OF ANY KIND. PLEASE DO NOT TAKE ANY MEDICAL DECISIONS BASED ON THE APP RECORDS BEFORE SEEKING A MEDICAL DOCTOR ADVICE.