Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus
Frontier X Plus

Frontier X Plus

Continuous Ambulatory ECG & Arrhythmia Analysis
Early detection of Atrial fibrillation and abnormal heart rhythms, while quantifying arrhythmia burden to support timely intervention.
Non-Invasive Monitoring: Continuous ECG without adhesives, wires, or skin prep; perfect for daily activities and exercise.
Comfortable & Home-Friendly: Self-applied, chest-worn design for long-term comfort and ease of use.
Real-Time Access & Sharing: View ECG data on your smartphone and share reports with your healthcare provider for remote consultations.
Weekly Cardiac Rhythm Report: Get detailed weekly reports with rhythm breakdowns, trends, and heart rate analysis for proactive heart health management.
Rs. 44,000
Rs. 33,000
Tax included.
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Early detection of Atrial fibrillation: and any abnormal heart rhythms, enabling timely intervention.
Non-Invasive Monitoring: Continuous ECG without adhesives, wires, or skin prep; perfect for daily activities and exercise.
Comfortable & Home-Friendly: Self-applied, chest-worn design for long-term comfort and ease of use.
Real-Time Access & Sharing: View ECG data on your smartphone and share reports with your healthcare provider for remote consultations.
Weekly Cardiac Rhythm Report: Get detailed weekly reports with rhythm breakdowns, trends, and heart rate analysis for proactive heart health management.

Pay as low as $43 with Affirm

1-Year Warranty

14-Day Return & Exchange

24/7 Customer Support

FDA Icon

FDA 510(k) Cleared

Prescription-based medical device, detects up to 6 rhythm classes

ECG Monitoring Icon

24/7 ECG Monitoring

Non-invasive, continuous heart monitoring during daily activities and exercise.

HSA Icon

HSA/FSA Eligible

Use your HSA/FSA card to avail the benefits of the fund

Remote Monitoring Icon

Remote Monitoring

Share your Real-time ECG along with ECG PDF reports with healthcare professional.

Weekly Cardiac Rhythm Report - Receive a comprehensive weekly report on your cardiac rhythm, including a detailed analysis of AFib, bradycardia, and tachycardia.

With Frontier X Plus, you’ll receive

  • 1 Free consultation with our expert
  • Lifetime customer support
  • 1-year warranty for added peace of mind

We offer a 14-day risk-free trial. If you experience any issues, you can return or exchange the device within 14 days.

  • As an FDA 510(k) cleared device, the Frontier X Plus qualifies for purchase using your HSA or FSA funds.
  • Select Truemed payment method at checkout -> Pay with your normal card or HSA/FSA card -> Complete Payment.
  • Buy now & pay with Affirm at your own pace.
  • Pay as Low as $43 per month with Affirm.
  • Select the Affirm option at checkout -> Select Payment Plan -> Complete Payment

  • Delivery Partners :

  • Delivery in 3-5 business days (India)

FDA Icon

FDA 510(k) Cleared

A medical-grade ECG device that detects up to 6 rhythm classes.

ECG Monitoring Icon

24/7 ECG Monitoring

Non-invasive, continuous heart monitoring during daily activities and exercise.

HSA Icon

HSA/FSA Eligible

Use your HSA/FSA card to avail the benefits of the fund

Remote Monitoring Icon

Remote Monitoring

Share your Real-time ECG along with ECG PDF reports with healthcare professional.

What is the Frontier X Plus?

The Frontier X Plus is an FDA 510(k)-cleared medical device offering continuous, single-channel ECG monitoring through a comfortable chest-worn design. Built for healthcare professionals, patients with cardiac concerns, and health-focused individuals, it enables early detection of Afib and any irregular heart rhythm analysis — all without wires, adhesives, or hospital visits.

What Does It Detects?

  • Atrial Fibrillation (AFib) - An irregular heart rhythm that increases stroke risk.
  • Bradycardia (Slow Heart Rate) - A heart rate below 60 beats per minute, causing fatigue.
  • Tachycardia (Fast Heart Rate) - A heart rate over 100 beats per minute, leading to palpitations.
  • Monitor Arrhythmia During Excercise - Irregular heart rhythms triggered by physical activity.
  • Normal Sinus Rhythm – steady, healthy heart rhythm from the heart’s natural pacemaker.

Certifications

*Disclaimer: HIPAA Compliant AWS server, RoHS2 & Reach Compliant chest strap.

Wondering If The Frontier X Plus Is Right for You?

1. If You’re Living with a Heart Condition

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1. If You’re Living with a Heart Condition

The Frontier X Plus is built for you if you’ve been diagnosed with cardiac conditions.The device helps you monitor your heart 24/7, giving you and your doctor the insights needed to respond before symptoms worsen.

You can:

  • Continuously monitor your ECG to detect irregular rhythms
  • Share physician-ready reports remotely
  • Spot early signs of changes in your heart condition
  • Track your heart even while resting or asleep
  • Understand how daily activities, diet, or lifestyle changes affect your heart’s rhythm

2. Recovering After a Heart Procedure?

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2. Recovering After a Heart Procedure?

Whether you’ve had a bypass, angioplasty, or ablation, the Frontier X Plus supports your recovery by tracking your heart safely at home. It helps you and your care team understand how your heart responds to light activity, rehab exercises, and daily movement.

You can:

  • Monitor your ECG during recovery walks or guided rehab
  • Avoid overexertion with real-time heart feedback
  • Let your doctor track your recovery progress remotely
  • Gain confidence as you return to your daily routine
  • Stick to your rehab plan with actionable heart data
  • Detect heart rhythm irregularities during workouts or rest

3. Monitor Arrhythmia During Exercise

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3. Monitor Arrhythmia During Exercise

Physical exertion can reveal hidden cardiac issues, but you don’t have to guess. With the Frontier X Plus, you can monitor your heart in real time while walking, cycling, lifting, or training, making every workout safer and more informed.

Key Benefits:

  • Tracks ECG continuously through all intensity levels
  • Alerts you to skipped, irregular, or outlier beats
  • Helps you identify safe zones for activity and recovery
  • Let your doctor assess how your heart responds to exercise

4. Track Arrhythmias While You Sleep

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4. Track Arrhythmias While You Sleep

Your heart continues working through the night, and the Frontier X Plus ensures nothing goes unnoticed. Wear it overnight to identify irregular rhythms, silent AFib episodes, or nighttime dips in heart rate that could signal trouble later.

Key Benefits:

  • Detects arrhythmias during light or deep sleep
  • Captures ECG data while you’re unaware of symptoms
  • Flags changes your doctor can review for early action
  • Helps manage conditions that worsen during sleep

5. Staying Ahead of Heart Issues

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5. Staying Ahead of Heart Issues

If you're focused on prevention, whether you're health-conscious, above 40, or into fitness, the Frontier X Plus helps you take control before issues become symptoms. It's your early detection tool, giving you peace of mind around the clock.

Benefits:

  • Catch irregular beats even during sleep or downtime
  • Detect early signs of arrhythmia or cardiac stress
  • Monitor heart health alongside your wellness routine
  • Stay alert to silent warning signs with continuous ECG
  • Track heart response across workouts and rest periods
  • Use real-time data to guide lifestyle or medical choices

Beyond Traditional Cardiac Monitoring Devices

Beyond Traditional Cardiac Monitoring Devices

Try the Frontier X Plus for 14 Days, Risk-Free

The Frontier X Plus includes a 14-day risk-free trial, with a money-back guarantee.

Get Started

*Cancel anytime if it’s not for you.

What Sets Frontier X Plus Apart

Early Atrial Fibrillation Detection

Continuously captures ECGs and detects AFib for early diagnosis and timely care.

Clinically Proven Accuracy

98.10% sensitivity and 97.88% specificity, validated against a 12-lead ECG monitor.

ECG Monitoring During Exercise

Delivers precise ECGs even during physical activity, minimizing motion artifacts.

Stay Connected to Your Heart Care

Enables remote heart data sharing with doctors for better arrhythmia management.

Wireless ECG Monitoring for All-Day Comfort

Adhesive-free, wire-free design prevents skin irritation and enhances comfort.

Rechargeable & Reusable for Long-Term Monitoring

Long-term, cost-effective ECG monitoring without frequent replacements.

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Weekly Cardiac Rhythm Report

What it includes:

  • ECG rhythm analysis with breakdowns like AFib, Bradycardia, Tachycardia and more
  • Weekly summary of rhythm trends
  • Beat-by-beat analysis and heart rate irregularities
  • Impact of workouts, recovery, and sleep on your rhythm

Learn More

*Cancel anytime if it’s not for you.

How Frontier X Plus Simplifies Medical-Grade ECG Monitoring

What Our Customers are Saying

Found the Fourth Frontier X2 online. I use it every time I workout now and also when I sleep. I have gotten a lot of great insight into my heart health and am quite happy with the product. The X2 is helping me and my doctor manage my newly diagnosed Atrial Fibrillation.

Brad

The readings give me much better insights into my heart function than any device I’ve tried. What’s even better is that you get a consultation with a real healthcare professional who helps you understand your readings. I learned more in that session than months and years of data from other sources and/or doctor visits.

Holly Klingler

"I'm a two-time cardiac survivor, Quad By-Pass, ICD and multiple stents, so having accurate consistent HR readings is vital. Recently I was having excesisve PVC's, so the live ECG while cycling was very helpful for my care team. Great product and excellant tech team behind them!"

Marc Antoine Keralla

I got the device to be aware of health issues (AF) rather than sports related. The quality of the ECG printouts is outstanding. I managed to carry out a 17hr reading (including 8 hours of sleep).

Noel Edwards

The difference is it records a continuous ECG rather than just measuring pulse rate. And it does it remarkably well. I'm a doctor, and I know how difficult it is to get a good quality ECG with a sweaty moving patient. Nonetheless, this system achieves it remarkably well.

Jonathan Whelan

Fourth Frontier is Trusted by Leading Cardiologists, Cardiac Rehab Centers, and Researchers Globally

18,000+ Users Worldwide
26,000+ Heart Events Detected
150,000,000+ Minutes of ECG Recorded
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In the Box

  • Frontier X Plus Device
  • Elastic chest strap
  • Micro USB Cable
  • Quick start guide
  • User Manual
  • USB Adapter

Connectivity

  • Bluetooth 5.2
  • Available for iOS and Android

Battery

  • Upto 24 hrs of continuous usage
  • Full charge in under ~ 1 hour

Device Size

  • Weight: 25 grams
  • Dimensions: 73mm x 24mm x 13mm
  • Compliance with IP22 Rating

Frontier X Plus Specifications

Connectivity

  • Bluetooth 5.2
  • Available for iOS and Android

Battery

  • Upto 24 hrs of continuous usage
  • Full charge in under ~ 1 hour

In the Box

  • Frontier X Plus Device
  • Elastic chest strap
  • Micro USB Cable
  • Quick start guide
  • User Manual

Device Size

  • Weight: 25 grams
  • Dimensions: 73mm x 24mm x 13mm
  • Compliance with IP22 Rating

Technical Safety and Performance Testing

Frontier X Plus Device

  • IEC 60601-2-47:2014 Medical Electrical Equipment Part 2-47: Particular Requirements for the safety. Including essential performance of ambulatory electrocardiographic systems.
  • IEC 60601-1:2005, AMD1:2012 Medical Electrical equipment - Part 1:General requirements for basic safety and essential performance.
  • IEC 60601-1-2:2014 +AMD1: 2020 CSV, Medical Electrical Equipment - Part 1-2: General requirements for basic safety and essential performance - Collateral standard: Electromagnetic disturbances Requirements and tests.
  • IEC 60601-1-11:2015 Medical Electrical Equipment - Part 1-11: General requirements for basic safety and essential performance - Collateral standard: Requirements for medical electrical equipment and medical electrical systems used in the home healthcare environment.

Chest Strap

  • Compliant with REACH and RoHS2 standards.

Clinical Validation

This study aimed to validate the Frontier X Plus (FX+) single-lead, continuous ECG device by comparing its performance against the traditional FDA Cleared 12-lead ECG in ​832 patients​ in both a clinical and real world setting including individuals with and without atrial fibrillation (AFib). The performance of the Frontier X Plus in detecting atrial fibrillation (AF) demonstrated a sensitivity of 98.10% and a specificity of ​97.88%, when compared to the paired gold standard device as adjudicated by 3 independent cardiologists.

Publications

Wearables as an Aid to Cardiovascular Diagnosis in a Young Runner

Roberts, William O. MD, MS, FACSM1; Levine, Benjamin D. MD, FACSM2

A case report of a 16-year-old competitive runner experienced sudden-onset tachycardia episodes, exceeding 200 bpm, were documented using a Garmin Instinct™ watch. Despite normal cardiac evaluations, the patient later used a Frontier X™ ECG Fitness Tracker, which successfully captured heart rhythm data during episodes and helped monitor his response to beta blocker therapy.

Safety, feasibility and effectiveness of the remotely delivered Pulmonary Hypertension and Home-Based (PHAHB) physical activity intervention

Ciara McCormack, Brona Kehoe, Sarah Cullivan, Noel McCaffrey, Sean Gaine, Brian McCullagh, Andrew McCarren, Sarah J Hardcastle, Niall M Moyna

The Frontier X device played a crucial role in continuously monitoring heart rate and respiratory rate, ensuring safety and enabling real-time feedback during the exercise sessions. The success of this remotely delivered intervention suggests that similar models could be effectively implemented for broader PH patient populations, offering a scalable alternative to hospital-based programs.

FAQs

What is Frontier X Plus?

The Frontier X Plus™ by Fourth Frontier® is a wearable ambulatory electrocardiogram (EKG or ECG) recorder and display product that consists of a device affixed to the chest strap, a companion mobile application, and a web application for analysis of ECG. It is a novel, self-applied continuous ambulatory ECG solution for arrhythmia detection and management.

The Frontier X Plus system also displays ECG waveform and ECG rhythm analysis; detecting the presence of normal sinus rhythm, atrial fibrillation, bradycardia, tachycardia, inconclusive and unreadable rhythms. The device is intended for use by healthcare professionals to monitor patients with known or suspected heart conditions and health-conscious individuals. It is indicated for use on adult patients who may be asymptomatic or who may suffer from transient symptoms requiring cardiac monitoring. The device is a non-invasive, lightweight, rechargeable battery- operated wireless ambulatory ECG monitor.

Why is early detection of AFib important, and how does Frontier X Plus achieve this?

Early detection of atrial fibrillation (AFib) is crucial for preventing serious cardiac complications. Timely detection allows for early intervention through medication, lifestyle changes, or medical procedures, improving patient outcomes and preventing long-term health issues. The FDA-cleared Frontier X Plus, a chest strap-based heart monitor,  records and transfers single-channel ECG and provides automated detection of atrial fibrillation and other arrhythmias. Frontier X Plus achieves this with exceptional accuracy, boasting 98.10% sensitivity and 97.88% specificity for AFib detection.

How does Frontier X Plus improve patient compliance?

The Frontier X Plus improves patient compliance by offering a lightweight, wearable chest monitor that is comfortable and easy to use. Its real-time data tracking and wireless connectivity provide patients with instant feedback, making them more engaged in their health management. The wearable ECG solution is designed for comfort, encouraging consistent use. Patients can self-apply the device and integrate it effortlessly into their daily routines without disrupting their activities.

 Who should not use the Frontier X Plus device?

The Frontier X Plus  should not be used by individuals under the age of 22 years, pregnant women, or patients with potentially life-threatening arrhythmias requiring hospitalization or real-time/in-patient monitoring. Additionally, it is not suitable for individuals with known skin allergies to the materials listed in the "List of Patient-Contacting Materials."(mentioned in the section 1.4.4 of Frontier X Plus User Manual(PUBFXP001_Rev A0)

Can the device be used alongside external cardiac defibrillators or surgical equipment?

No, the device should not be used in combination with external cardiac defibrillators or high-frequency surgical equipment.

 What precautions should be taken if using a defibrillator?

Do not use a defibrillator with the Frontier X Plus device, as it may cause damage. Ensure the device is removed from areas where defibrillator electrodes are placed.

 Is the device suitable for detecting cardiac conditions like ischemia or myocardial infarction?

No, the Frontier X Plus is not indicated for the detection of cardiac conditions such as ischemia, myocardial infarction, or left ventricular hypertrophy (LVH).

 What should be done if the app identifies certain heart conditions as unreadable?

If the app identifies conditions like ventricular flutter, ventricular bigeminy, or ventricular trigeminy as unreadable, consult a physician for further analysis.

Does the Frontier X Plus guarantee the absence of arrhythmias or health conditions?

No, Frontier X Plus does not guarantee the absence of arrhythmias or other health conditions even if an ECG is labeled as normal. Always consult a physician for any potential health changes.

Note:

The Frontier X Plus is a US FDA 510(k) cleared medical device for ambulatory ECG monitoring. It is not tested for use in individuals with pacemakers or ICDs. It is not meant for the diagnosis of cardiac ischemia. Please request the IFU for intended use, indications, contraindications and availability in your geography.

Disclaimer:

All images used are for illustrative purposes only.

The Frontier X Plus ECG monitor is intended to capture, store, transmit and display electrocardiogram (ECG) information for long term monitoring and evaluation. It is intended for use on adult patients who may be asymptomatic or who may suffer from transient symptoms requiring cardiac monitoring such as palpitations, shortness of breath, dizziness, lightheadedness, presyncope, syncope, fatigue, or anxiety. The Frontier X Plus ECG monitor is not intended to provide diagnostic interpretation to the patient. The Frontier X Plus ECG monitor is a prescription-only device, and the reported information is provided for review by a physician to render a diagnosis based on clinical judgment and experience. For the full disclaimer, please visit this link: https://fourthfrontier.com/pages/disclaimers

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