The Future of Heart Health, for Everyone
Empowering patients, providers, and athletes with future-ready heart health technology.
Frontier X2
A wearable ECG that helps athletes, biohackers, and fitness enthusiasts track every heartbeat while training harder, safer, and smarter.
- 24/7 ECG monitoring even while you train
- Customized real-time vibration alerts for irregular HR, BR, and Strain
- Detailed performance and recovery analytics with VO2 Max, HRV, and readiness score
Accurate. Reliable. Clinician-Trusted.
A prescription-based, FDA-cleared medical device for patients to detect atrial fibrillation, bradycardia, tachycardia, and other arrhythmias.
- Continuous medical-grade ECG without wires or adhesives
- Early detection and arrhythmia burden quantification
- Comfortable chest-worn design for long-term home monitoring
- Shareable ECG data and weekly reports for timely care
Empowering Healthcare Providers
A next-generation Holter and cardiac rehab solution, combining patient comfort with clinical precision, faster insights, and seamless integration.
- Accurate, motion-free ECG monitoring for precise arrhythmia detection during exercise.
- Faster reporting and remote insights with live data streaming and 24-hour turnaround.
- Reusable, self-applied design that reduces clinic workload, cuts costs, and improves compliance.
- Seamless EMR and Holter integration for smooth adoption across leading platforms.
Certifications
Frontier X Plus
Frontier X2
Trusted By World Athletes,
Leading Cardiologists, and Researchers Globally
Fourth Frontier is Trusted by Leading Cardiologists, Cardiac Rehab Centers, and Researchers Globally
Why We Exist?
Fourth Frontier was founded to make heart health simple, meaningful, and accessible. With cardiovascular disease as the leading global killer, we focus on providing wearable technology and actionable insights that allow people to track, understand, and manage their heart health. Our goal is not just longer life, but better health, empowering people to live with confidence, control, and clarity.
Fourth Frontier was founded to make heart health simple, meaningful, and accessible. With cardiovascular disease as the leading global killer, we focus on providing wearable technology and actionable insights that allow people to track, understand, and manage their heart health. Our goal is not just longer life, but better health, empowering people to live with confidence, control, and clarity.
Real Stories That Inspire Us
Trusted by 30K+ Users in 50+ Countries
Easy to use, easier to analyse!
“The Frontier X2 has just given me an incredible level of clarity and detail about my heart during prolonged endurance events and you just can't get that kind of detail with other devices. It helps me dispel fear and uncertainty."
Mark Dutton
(Frontier X2 User)Easy to use, easier to analyse!
"I like that it has the vibrating alert when I'm going too hard, so I don't need to be looking at my device while I am pedaling and take my eyes off the road."
Elizabeth
(Frontier X2 User)Easy to use, easier to analyse!
"…Frontier X2 Tracks your inherent abilities and keeps you safe. It's a must have and It's something that I just don't train without anymore…"
Fillip
(Frontier X2 User, Lawyer and Athlete)Easy to use, easier to analyse!
"the Frontier X2 which helps me monitor what I’m doing and gives better representation of the stress on my heart during various activities"
Darren Mott
(Frontier X2 User, Former FBI Agent)Easy to use, easier to analyse!
"Frontier X2 has been extremely powerful. Effectively I wear it for all exercise and while sleeping. It’s nice to have a data collection tool that I can put on during those periods.”
Scott Kaintz
(Frontier X2 User)Easy to use, easier to analyse!
“The first run I had with the device showed me how comfortable, simple, and easy to use it 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.”
