RECORD & ANALYZE YOUR ECG
STRENGTHEN & PROTECT YOUR HEART
ANYTIME, ANYWHERE.
STRENGTHEN & PROTECT YOUR HEART
ANYTIME, ANYWHERE.
The world’s first and only consumer product that provides real-time continuous feedback on your heart health - wherever you may be.
Chest worn device used for athletic training, cardiac rehabilitation and remote monitoring - keeping you healthy and away from hospital.*
World’s first and only chest-worn Smart Heart Monitor that provides real-time continuous feedback on your Heart & Lungs - wherever you may be.
Continuous ECG monitoring and real-time vibration alerts for Heart Rate, Effort & Cardiac Strain for athletic training, cardiac rehabilitation and remote monitoring.*
RECORD & ANALYZE YOUR ECG
ANYTIME, ANYWHERE.
“The device measures cardiac strain, a sign that you are pushing so hard that the heart muscle is not getting enough oxygen.”
“By listening to your heart and lungs, this strap measures real-time cardiac strain and breathing rate for a more accurate reading of effort.”
“The device measures cardiac strain, a sign that you are pushing so hard that the heart muscle is not getting enough oxygen.”
“By listening to your heart and lungs, this strap measures real-time cardiac strain and breathing rate for a more accurate reading of effort.”
PUSH YOURSELF WITHOUT FEAR
Frontier X uses science backed metrics to help you actively care for your heart.
TRAIN IN THE ZONE THAT'S RIGHT FOR YOU
Set discreet real-time vibration alerts for Heart Rate, Breathing Rate, and Cardiac Strain and nudge yourself into your zone without needing to look at a watch or phone.
ANALYTICS & INSIGHTS TO GUIDE YOUR PROGRESS
By correlating changes in your ECG with breathing rate, cardiac strain, heart rate, and other activity metrics, the Frontier X provides valuable insights to protect your heart and improve your performance.
RECORD AND ANALYZE YOUR ECG IN REAL-TIME
Record high quality ECG during any exercise, to know how your heart is doing when you are pushing yourself the hardest.
New Service
Exercise reassured that our certified cardiac experts are reviewing your ECG and physiological data recorded by the Frontier X. Get personalised recommendations and insights to strengthen and protect your heart.
“Knowing that someone is watching over my data gives me peace of mind and the confidence to exercise on my own.”
Brian, 65, Triathlete
Exercising 3 months after an ablation procedure
PUSH YOURSELF WITHOUT FEAR
Frontier X uses science backed metrics to help you actively care for your heart.

TRAIN IN THE ZONE THAT'S RIGHT FOR YOU
Set discreet real-time vibration alerts for Heart Rate, Breathing Rate, and Cardiac Strain and nudge yourself into your zone without needing to look at a watch or phone.
"Using the Frontier X makes me stay in that area in which I am exercising enough to strain the heart muscle, therefore train it, but not so much that I precipitate a cardiac event."
Helen Reed
Frontier X User
ANALYTICS & INSIGHTS TO GUIDE YOUR PROGRESS
By correlating changes in your ECG with breathing rate, cardiac strain, heart rate, and other activity metrics, the Frontier X provides valuable insights to protect your heart and improve your performance.
RECORD AND ANALYZE YOUR ECG IN REAL-TIME
Record high quality ECG during any exercise, to know how your heart is doing when you are pushing yourself the hardest.
New Service
Exercise reassured that our certified cardiac experts are reviewing your ECG and physiological data recorded by the Frontier X. Get personalised recommendations and insights to strengthen and protect your heart.
“Knowing that someone is watching over my data gives me peace of mind and the confidence to exercise on my own.”
Brian, 65, Triathlete
Exercising 3 months after an ablation procedure

New Feature
TRAIN IN THE ZONE
THAT'S RIGHT FOR YOU
Set discreet real-time vibration alerts for Heart Rate, Breathing Rate, and Cardiac Strain and nudge yourself into your zone.
"Using the Frontier X makes me stay in that area in which I am exercising enough to strain the heart muscle, therefore train it, but not so much that I precipitate a cardiac event."
Helen Reed
Frontier X User

New Feature
TRAIN IN THE ZONE
THAT'S RIGHT FOR YOU
Set discreet real-time vibration alerts for Heart Rate, Breathing Rate, and Cardiac Strain and nudge yourself into your zone.
"Using the Frontier X makes me stay in that area in which I am exercising enough to strain the heart muscle, therefore train it, but not so much that I precipitate a cardiac event."
Helen Reed
Frontier X User
PUSH YOURSELF WITHOUT FEAR
Frontier X uses science backed metrics to help you actively care for your heart.
Science Backed Metrics
Use science backed metrics and accurate reliable data trusted by experts to guide your progress.
AI-Enabled Algorithms
Continuously evolving advanced algorithms and software that bring together the best of cardiac science and technology.
Review Detailed Workout Data
See your entire ECG and correlate it with your breathing rate, heart rate, cardiac strain and activity on a web dashboard.
RECORD AND ANALYZE YOUR ECG IN REAL-TIME
ANALYTICS & INSIGHTS TO GUIDE YOUR PROGRESS
“The first run I had with the device showed me how comfortable, simple, and easy to use it (the Frontier X) was, but more importantly, it gave me reassurance after years of pushing my body and my heart to its limit, that I hadn’t caused any lasting damage.”
PAULA RADCLIFFE
Former Women's Marathon World Record Holder
“The first run I had with the device showed me how comfortable, simple, and easy to use it (the Frontier X) was, but more importantly, it gave me reassurance after years of pushing my body and my heart to its limit, that I hadn’t caused any lasting damage.”
PAULA RADCLIFFE
Former Women's Marathon World Record Holder
“The first run I had with the device showed me how comfortable, simple, and easy to use it (the Frontier X) was, but more importantly, it gave me reassurance after years of pushing my body and my heart to its limit, that I hadn’t caused any lasting damage.”
PAULA RADCLIFFE
Former Women's Marathon World Record Holder
New Service
Exercise reassured that our certified cardiac experts are reviewing your ECG and physiological data recorded by the Frontier X. Get personalised recommendations and insights to strengthen and protect your heart.
“Knowing that someone is watching over my data gives me peace of mind and the confidence to exercise on my own.”
Brian, 65, Triathlete
Exercising 3 months after an ablation procedure
New Service
Exercise reassured that our certified cardiac experts are reviewing your ECG and physiological data recorded by the Frontier X. Get personalised recommendations and insights to strengthen and protect your heart.
“Knowing that someone is watching over my data gives me peace of mind and the confidence to exercise on my own.”
Brian, 65, Triathlete
Exercising 3 months after an ablation procedure
Free Shipping
Free Shipping anywhere across the United States, United Kingdom, Europe and India.
Product Support
We're here to help you get the most out of your Frontier X. Email us 24/7 with your questions.
1 Year Limited Warranty
Your unit is protected by a limited warranty for one year from the original date of purchase.
30 Day Risk Free Trial
An unbeatable guarantee: Try the Frontier X for 30 days, 100% risk-free.
World’s first WEARABLE that
accurately detects physiological METRICS, so far available only in hospitals and labs
World’s first WEARABLE that
accurately detects physiological METRICS, so far available only in hospitals and labs
World’s first WEARABLE that
accurately detects physiological METRICS, so far available only in hospitals and labs
- Questionable Quality
Questionable Quality
Science Backed Metrics
Use science backed metrics and accurate reliable data trusted by experts to guide your progress.
AI-Enabled Algorithms
Continuously evolving advanced algorithms and software that bring together the best of cardiac science and technology.
Review Detailed Workout Data
See your entire ECG and correlate it with your breathing rate, heart rate, cardiac strain and activity on a web dashboard.
FREE SHIPPING
Free Shipping anywhere across the United States, United Kingdom, Europe and India.
30 DAY RISK FREE TRIAL
An unbeatable guarantee: Try the Frontier X for 30 days, 100% risk-free.
1 YEAR LIMITED WARRANTY
Your unit is protected by a limited warranty for one year from the original date of purchase.
PRODUCT SUPPORT
We're here to help you get the most out of your Frontier X. Email us 24/7 with your questions.
World’s first WEARABLE that
accurately detects physiological METRICS, so far available only in hospitals and labs
World’s first WEARABLE that
accurately detects physiological METRICS, so far available only in hospitals and labs
World’s first WEARABLE that
accurately detects physiological METRICS, so far available only in hospitals and labs
Questionable Quality
NOT JUST NUMBERS.
Get PEACE OF MIND.
AVOID OVER-STRAINING YOUR HEART
Monitor Cardiac Strain and get real-time vibration alerts, so you can push yourself without fear.
Measure Accurate Heart Rate
Get the most accurate chest based heart rate recording for effective training.
Measure True Effort with Breathing Rate
Use Breathing rate for perfect pacing to improve race performance and beat your PRs faster.
MONITOR ECG REMOTELY*
Use live ECG to check your heart health right away, or share it with an expert, while exercising.
Get the Most Out of Each Workout
Use Training load to objectively measure workload regardless of sport or environment, to consistently improve performance.
STRENGTHEN YOUR HEART
Push your heart in a controlled fashion by monitoring ECG response to exercise.
MEASURE WORKLOAD OBJECTIVELY
Use Training Load to objectively measure workload regardless of sport or environment.
PREVENT INJURY
Measure the shock your body suffers during each foot-strike to reduce injury and run longer.
Workout Without Distraction
Get Real-time vibration alerts when crossing Cardiac Strain and Effort thresholds, and tune into your body.
PERFECT YOUR PACE
Use Breathing Rate to measure internal effort to help you train better and perfect your pace.
IMPROVE WORKOUT PERFORMANCE
WITH PHYSIOLOGICAL METRICS
not just numbers, gET peace of mind
Avoid Over-Straining your Heart
Monitor Cardiac Strain and get real-time vibration alerts, so you can push yourself without fear.
Perfect your Pace
Use Breathing Rate to measure internal effort to help you train better and perfect your pace.
Monitor ECG Remotely*
Use live ECG to check your heart health right away, or share it with an expert, while exercising.
Strengthen your Heart
Push your heart in a controlled fashion by monitoring ECG response to exercise.
Measure Workload Objectively
Use Training Load to objectively measure workload regardless of sport or environment.
Prevent Injury
Measure the shock your body suffers during each foot-strike to reduce injury and run longer.
IMPROVE WORKOUT PERFORMANCE
WITH PHYSIOLOGICAL METRICS
Measure Accurate Heart Rate
Get the most accurate chest based Heart Rate for effective training.
Measure Accurate Heart Rate
Get the most accurate chest based heart rate recording for effective training.
Measure True Effort with Breathing Rate
Use Breathing Rate to measure internal effort to help you train better, perfect your pace during races and beat your personal best.
Measure True Effort with Breathing Rate
Use Breathing rate for perfect pacing to improve race performance and beat your PRs faster.
Get the Most Out of Each Workout
Use Training Load to objectively measure workload regardless of sport or environment, to prevent over-training and injury, or under-training and deconditioning.
Get the Most Out of Each Workout
Use Training load to objectively measure workload regardless of sport or environment, to consistently improve performance.
Workout Without Distraction
Get discreet real-time vibration alerts when crossing Cardiac Strain and Effort thresholds, helping you tune into your body and avoid having to look at your wrist.
Workout Without Distraction
Get Real-time vibration alerts when crossing Cardiac Strain and Effort thresholds, and tune into your body.
not just numbers. gET peace of mind.
Avoid Over-Straining your Heart
Monitor Cardiac Strain and get real-time vibration alerts, so you can push yourself without fear.
Perfect your Pace
Use Breathing Rate to measure internal effort to help you train better and perfect your pace.
Monitor ECG Remotely*
Use live ECG to check your heart health right away, or share it with an expert, while exercising.
Strengthen your Heart
Push your heart in a controlled fashion by monitoring ECG response to exercise.
Measure Workload Objectively
Use Training Load to objectively measure workload regardless of sport or environment.
Prevent Injury
Measure the shock your body suffers during each foot-strike to reduce injury and run longer.
“Without the Frontier X we might never have known. We might not have known that I had an ectopic problem. I would have probably increased my exercise; (i.e) done more faster and longer and this could have put me at real risk for the ectopics getting out of control.”
TOM GASKELL
Frontier X User
TOM GASKELL
Frontier X User
“Without the Frontier X we might never have known. We might not have known that I had an ectopic problem. I would have probably increased my exercise; (i.e) done more faster and longer and this could have put me at real risk for the ectopics getting out of control.”
TOM GASKELL
Frontier X User
FRONTIER X INTEGRATIONS
The Frontier X uses Bluetooth Low Energy (BLE) technology to sync with other devices and provides your data in .FIT file format.
“For anyone who exercises, the additional measurement of overall heart health is a potential life changer.”
Michael Conlon
Founder of Finish Line Physical Therapy
FRONTIER X INTEGRATIONS
The Frontier X uses Bluetooth Low Energy (BLE) technology to sync with other devices and provides your data in .FIT file format.
“For anyone who exercises, the additional measurement of overall heart health is a potential life changer.”
Michael Conlon
Founder of Finish Line Physical Therapy
FRONTIER X INTEGRATIONS
The Frontier X uses Bluetooth Low Energy (BLE) technology to sync with other devices and provides your data in .FIT file format.
“For anyone who exercises, the additional measurement of overall heart health is a potential life changer.”
Michael Conlon
Founder of Finish Line Physical Therapy
GAIN INSIGHTS AND GET HELP FROM EXPERTS
TO GUIDE YOUR PROGRESS
Get Help from our Experts
Our experts are available to help you understand your data and provide guidance.
Get Insights to Improve Performance
Unique AI generated insights for each workout show you how you did and what you can do better.
Intelligent Analysis of Medical Grade ECG*
Help detect and understand abnormalities in your heart function, keeping you safe from harm.
GAIN INSIGHTS AND GET HELP FROM EXPERTS TO GUIDE YOUR PROGRESS
GET HELP FROM OUR EXPERTS
Our experts are available to help you understand your data and provide guidance.
GET INSIGHTS TO IMPROVE PERFORMANCE
Unique AI generated insights for each workout show you how you did and what you can do better.
INTELLIGENT ANALYSIS OF MEDICAL GRADE ECG*
Help detect and understand abnormalities in your heart function, keeping you safe from harm.
FRONTIER X specifications
. Apps available for iOS and Android phones.
. Display Heart Rate on compatible BLE sports watches.
. Sweat-proof and Waterproof up to 1.5 metres.
. Battery: Upto 24 hours of continuous use, or 2 weeks of typical use.
. Easy to wear chest belt.
. Lightweight device snaps on to the chest belt with ease.
. Single red button for all key actions.
-
- . Easy to connect wirelessly to any smartphone.
“Rather than just beats per minute, the chest-mounted computer measures and records the functioning of the heart and lungs."
“You’ve heard of smart gadgets that can actually track our fitness, but the Frontier X really takes it to a whole new level.”
FRONTIER X specifications
. Apps available for iOS and Android phones.
. Display Heart Rate on compatible BLE sports watches.
. Sweat-proof and waterproof up to 1.5 metres.
. Battery: Upto 24 hours of continuous use, or two weeks of typical use.
. Easy to wear chest belt.
. Lightweight device snaps on to the chest belt with ease.
. Single red button for all key actions.
. Easy to connect wirelessly to any smartphone.
“Rather than just beats per minute, the chest-mounted computer measures and records the functioning of the heart and lungs.”
“You’ve heard of smart gadgets that can actually track our fitness, but the Frontier X really takes it to a whole new level.”
TECHNICAL specifications
. Apps available for iOS, Apple Watch and Android phones.
. Display Heart Rate on compatible BLE sports watches.
. Sweat-proof and Waterproof up to 1.5 metres.
. Battery: Upto 24 hours of continuous use.
. Easy to wear chest belt.
. Lightweight device snaps on to the chest belt with ease.
. Single red button for all key actions.
. Easy to connect wirelessly to any smartphone.
NINE LIVES.
NINE STORIES.
See how the Frontier X has changed the lives of people with its rich set of life-enhancing features…
WHAT PEOPLE ARE SAYING
ABOUT THE FRONTIER X
NINE LIVES.
NINE STORIES.
See how the Frontier X has changed the lives of people with its rich set of life-enhancing features…
NINE LIVES.
NINE STORIES.
See how the Frontier X has changed the lives of people with its rich set of life-enhancing features…
STAY CONNECTED
Sign up now to hear about new stories, product drops, collaborations, and all things Frontier X — straight from your inbox.
STAY CONNECTED
Sign up now to hear about new stories, product drops, collaborations, and all things Frontier X — straight from your inbox.