Heart Rate Variability

Key Indicator Of Your Health

HRV is simply a measure of the variation in time between each heartbeat.  It is controlled by the autonomic nervous system (ANS) which regulates key functions like heart rate, blood pressure, breathing, and digestion, all operating automatically in the background. Experience comprehensive Heart Rate Variability (HRV) insights with Frontier X2, the most advanced chest-based wearable heart monitor. It assesses your autonomic nervous system health in real time, enabling you to understand your body's stress response and recovery.
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Why tracking Heart Rate Variability is important

Autonomic Nervous System Balance

Heart Rate Variability shows the balance between the parasympathetic (rest and relax) and sympathetic (fight or flight) nervous systems, helping you rest and optimize performance more effectively.

Cardiac Health

According to the National Library of Medicine, lower HRV lower HRV is associated with a higher risk of heart disease, making it a critical marker for heart health. While higher HRV is linked to better cardiovascular fitness and overall physical health.

Stress Levels

HRV reflects the body’s response to stress, and helps monitor both acute and chronic stress levels.

Recovery from Exercise

Heart Rate Variability helps track recovery after physical activity, ensuring athletes avoid overtraining.

Sleep Quality

HRV correlates with sleep patterns, and tracking it can highlight disruptions or improvements in sleep.

Early Detection of Illness

Sudden drops in HRV may indicate the onset of illness or infection, allowing early intervention.

Respiratory Efficiency

Heart Rate Variability (HRV) reflects how well your breathing system is working, especially when you're at rest. A higher HRV often indicates that your body is efficiently managing oxygen intake and circulation.

Hormonal Balance

Fluctuations in HRV can reflect changes in your hormone levels, including cortisol, which is linked to stress.

General Well-Being

Consistently tracking HRV provides a comprehensive overview of both physical and emotional health, empowering individuals to make informed lifestyle changes.

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Discover why tracking Heart Rate Variability
with Frontier X2 is ideal for you

Discover why tracking Heart Rate Variability with Frontier X2 is ideal for you

Tracking Heart Rate Variability (HRV) with the Frontier X2 is ideal for you because it offers continuous, real-time monitoring with precise insights into your cardiac health. The Frontier X2's advanced sensors provide you with accurate data to better understand your stress levels, recovery, fitness, and overall wellness.

Real-Time Data

Provides you immediate HRV insights, allowing you to track your heart health in real-time.

Accurate Readings

Advanced sensors deliver highly precise HRV data for better health analysis.

Exercise Recovery

Monitor HRV post-workout, get insights into recovery times and prevent overtraining.

Seamless Integration

Syncs effortlessly with fitness apps and devices for a complete view of your heart health metrics.

User-Friendly Interfaces

Easy-to-use app interface makes reviewing HRV data and trends simple and intuitive.

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Go Beyond Heart Rate Monitors & Smartwatches

The Frontier X2 uses revolutionary ECG technology to track every aspect of your heart.

Frontier X2

Heart Rate Monitors

Smart Watches

High Quality ECG

Continuous ECG up to 24 hours

The world's first and only consumer wearable that allows you to record high-quality ECG in real-time for up to 24hrs during any activity.

Real time, live ECG streaming

Share your Live ECG in real-time with experts, family, or friends, whenever you want, wherever you want, even while exercising!

Detailed ECG graphs

The Frontier X2’s patented ECG technology gives you the unique ability to record up to 24 hours of highly detailed, accurate data through any activity of your choice!

Route maps with ECG

Correlate your ECG data with your GPS data to gain unprecedented insights into your ECG response to pace, elevation, intensity and distance.

Heart Health Metrics

Accurate Chest-Based Heart Rate

Track accurate chest-based Heart Rate through sleep, rest or exercise and get detailed post-activity insights.

Heart Rate Variability (HRV)

Get insights into how your body manages stress and recovery and by measuing your HRV before and after workouts.

Stay Safe with Strain monitoring

‘Strain’ measures the amount of oxygen deprivation experienced by your heart. Manage training intensity to avoid high strain on your heart for prolonged periods.

Rhythm Chart

Get a rhythm chart identifying deviations from the norm, with data explaining the duration, frequency, and occasions when these rhythms occurred.

Heart Health Insights

Activity Tagging & Health Entries

Frontier X2 allows you to capture key events, feelings, or choices in your day to help better understand the response of your heart health to those aspects.

Heart Rate Zone Training

Training in different Heart Rate Zones achieves different goals. Frontier X2 ensures you stay within your chosen zone so your goals are achieved most efficiently.

Monitor progress over time

Analyse the daily, weekly, and monthly progression of all key heart metrics including Heart Rate, Breathing Rate, Strain, and HRV.

Detailed physiological graphs

Use our dynamic web dashboard to view detailed graphic representations of all the physiological metrics measured by the Frontier X2.

Heart Rate Zone Insights

Use our dynamic web dashboard to view detailed graphic representations of all the physiological metrics measured by the Frontier X2.

AI-generated recommendations

Push yourself safely with personalized workout insights and AI-generated recommendations for future workouts.

Exercise and Training

Monitor 20 types of activities

Track and analyse 20 different types of activities, including running, cycling, meditation, sleep, rest, swimming, trekking etc

Effortless zone based training

Set real-time vibration alerts for a range of metrics so you stay within the right workout zone without needing to look at your phone or smartwatch.

Train without distraction

Use the Frontier X2 without connecting it to the mobile app. Review all your physiological metrics without repeated glances at your phone or smartwatch.

Real-time vibration alerts

Train with confidence knowing your heart is protected. Set custom alerts to give you real time feedback when you’re overstraining yourself.

Light, sturdy and durable

The Frontier X2 is so light that you’ll barely feel it on you, but also so durable that no activity is off limits!

Waterproof

The Frontier X2 is IP67 rated - waterproof and sweatproof up to 1.5 meters. Perfect for swimming!

Performance Insights

Sustainable Training with Training Load

Get a true estimate of total exertion during any activity. Weekly Training Load goals help ensure you’re improving your performance without over-training.

Prevent injury by monitoring Body Shock

Monitor your Body Shock to analyse the impact of running surfaces, gear, form changes or fatigue, helping prevent injuries during high impact activities.

Step Cadence

Measure the number of steps taken per minute while running to get additional insights into your running, walking or hiking performance.

Compatibility

Bluetooth 5.0 connectivity

Sync with external devices (Apple Watch, Garmin, Peloton, Zwift, Google Fit, Strava, Wahoo, Training Peaks and other HRM devices via Bluetooth Low Energy.

Integrate with your favorite Apps

Connect the Frontier X2 to external apps in your exercise ecosystem, including Apple Health, Google Fit, Garmin, Wahoo and Strava.

Sync your data across apps

Automatically sync your health and workout data from your favorite apps through Apple Health, Google Fit, Garmin, Wahoo and Strava.

Simultaneous multi-device connectivity

Now connect the Frontier X2 to 3 devices at the same time as an HRM.

Share your data

Securely share your data

Instantly share Frontier X2 data using a secure link so your doctor, family, or friends can stay worry free, always!

Unlimited, unrestricted downloads

Download a .FIT file of your activity summary to upload on to other platforms like Strava.

On-device memory of 24 hours

Frontier X2's on-device memory can store ECG recordings for up to 24 continuous hours, making it perfect for constant monitoring.

Unlimited cloud storage

Get unlimited storage in your own free cloud account. Get lifetime access to 1000s of hours of ECG recordings and analysis.

Share PDF reports

Download a .PDF file of your continuous ECG to either analyse yourself, or easily share with an expert.

Onboarding and Support

Get a Free Demo

Get a Free Virtual Demo upon purchasing the Frontier X2 to learn all about the device and its variety of features.

Complimentary consultation

Receive personalised insights on your training and heart health from a heart health coach who will review your Frontier X2 data and provide personalised guidance.

Lifetime 24x7 support

24x7 support available via email (support@fourtfrontier.com), live chat on our website or mobile app, or by dialling in to our toll free number.

Engage with our community

Engage with thousands of our community members, sharing stories, workouts, and recommendations in your journey towards better heart health.

Quick and easy onboarding

Get in-app onboarding and an easy to use knowledge base to get familiar and comfortable with all of the Frontier X2 features.

Quick Start User manual

Download a PDF version of the user manual by clicking here, if the step-by-step online manual isn't for you.

FAQs

What is Heart Rate Variability?

Heart rate variability refers to the fluctuations in the time intervals between your heartbeats. These variations are minimal, altering the timing by just fractions of a second between beats.

What is a good Heart Rate Variability?

Heart rate variability (HRV) differs for each individual, shaped by factors such as age, fitness level, and overall well-being. Typically, HRV values range between 19 and 75 milliseconds, with readings above 70 reflecting better health, while scores below 50 suggest an increased risk for health issues.

Which is preferable: high or low Heart Rate Variability?

Generally, a higher heart rate variability(HRV) is advantageous as it indicates that your body is effectively adapting to changes and managing stress. Typically, athletes and individuals in good physical condition exhibit greater heart rate variability.

What factors influence Heart Rate Variability (HRV)?

Heart rate variability (HRV) is affected by stress levels, sleep quality, physical activity, age, diet, hydration, substance use, medications, health conditions, and mental state, impacting overall health and wellness.

How the Frontier X2 precisely measures Heart Rate Variability (HRV)

The Frontier X2 employs advanced continuous ECG technology to deliver precise heart rate variability (HRV) measurements.

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