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10 Best Atrial Fibrillation Monitors 2025 in the United States

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Our Top Picks

#1

Winner

Apple Watch Series 10 [GPS + Cellular 42mm] with Jet Black Aluminium Case with Ink Sport Loop. Fitness Tracker, ECG App, Always-On Retina Display, Carbon Neutral with AppleCare+ (2 Years)

Rating
9.7
Chosen by1,452
Accuracy
Ease of Use
Connectivity

Most important from
7732 reviews

Accuracy
The heart tracker performs reliably and consistently, even through tattoos that previously interfered with older models.
Ease of Use
The large, bright Retina display makes reading notifications and health data easy in any lighting, including direct sunlight.
Connectivity
Seamless integration within the Apple ecosystem enhances the overall experience and ensures compatibility with iPhones and other devices.
Battery Life
Battery life supports all-day use, and fast charging minimizes downtime, making it practical for continuous monitoring.
Additional Features
Health tracking features deliver comprehensive insights, effectively keeping tabs on exercise trends and vital metrics.

The Apple Watch Series 10 is a strong choice if you are looking for an atrial fibrillation monitor that doubles as a comprehensive fitness and health tracker. Its ECG app is clinically validated to detect irregular heart rhythms, making it reliable for AFib monitoring. The watch is very easy to use with a large, bright Always-On Retina display that shows health data clearly, even during workouts or daily activities. Connectivity is excellent thanks to built-in cellular support, allowing you to send alerts, make calls, or access health data without needing your iPhone nearby. Battery life supports an all-day use of about 18 hours, which is decent but may require daily charging, though fast charging helps reduce downtime.

Portability is excellent, as the watch is lightweight, slim, and swimproof, making it comfortable for continuous wear, which is essential for ongoing heart monitoring. It stores a good amount of data locally with 64GB capacity, and syncs seamlessly with Apple Health for long-term tracking and sharing with healthcare providers. Additional safety features like fall and crash detection add peace of mind beyond heart health. However, to fully benefit from its features, you need to use it with a compatible iPhone, and cellular service may add extra cost. Also, while the watch is highly accurate for AFib alerts, it is not a replacement for professional medical devices or diagnosis.

This Apple Watch is well suited for those who want a user-friendly and multi-functional wearable with reliable AFib monitoring as part of a broader health ecosystem.

Rating
9.7
Chosen by1,452
Accuracy
Ease of Use
Connectivity

Most important from
7732 reviews

Accuracy
The heart tracker performs reliably and consistently, even through tattoos that previously interfered with older models.
Ease of Use
The large, bright Retina display makes reading notifications and health data easy in any lighting, including direct sunlight.
Connectivity
Seamless integration within the Apple ecosystem enhances the overall experience and ensures compatibility with iPhones and other devices.
Battery Life
Battery life supports all-day use, and fast charging minimizes downtime, making it practical for continuous monitoring.
Additional Features
Health tracking features deliver comprehensive insights, effectively keeping tabs on exercise trends and vital metrics.
#2

KardiaMobile 6-Lead Personal EKG Monitor – Six Views of The Heart – Detects AFib and Irregular Arrhythmias – Instant Results in 30 Seconds – Works with Most Smartphones - FSA/HSA Eligible

Rating
9.4
Accuracy
Ease of Use
Connectivity

Most important from
25745 reviews

Accuracy
The KardiaMobile 6-Lead EKG monitor is a game-changer, providing clear and detailed heart rhythm data that surpasses other devices like the Apple Watch.
Ease of Use
It's incredibly easy to use and produces medical-grade EKGs that can be quickly shared with doctors, making it perfect for those needing reliable heart monitoring at home.
Connectivity
Battery life is impressive, lasting around a year or more, and the device syncs effortlessly with the Kardia app on smartphones.
Battery Life
Battery life is impressive, lasting around a year or more, and the device syncs effortlessly with the Kardia app on smartphones.
Portability
The compact and lightweight design allows for easy portability, fitting seamlessly into daily routines.
Data Storage
Despite a few minor drawbacks, such as difficulty deleting saved ECGs and challenges with app availability in certain regions, the overall user experience is overwhelmingly positive.
Additional Features
While some additional services and algorithms for ECG interpretation come at a cost, the basic functionality is highly effective without a subscription.

The KardiaMobile 6-Lead Personal EKG Monitor is a highly accurate device that records a medical-grade, six-lead EKG and provides detailed heart rhythm data in just 30 seconds. This level of detail, including detecting AFib, Bradycardia, Tachycardia, and Normal Sinus Rhythm, makes it highly valuable for users needing comprehensive heart monitoring.

The device is FDA-cleared and trusted by professionals, adding to its reliability and credibility. It works with most smartphones and tablets, requiring only the Kardia app to function, which enhances its ease of use and connectivity. The compact dimensions (3.54 x 1.18 x 0.28 inches) and lightweight design (24 grams) make it extremely portable, fitting easily into daily life activities.

One notable advantage is that it does not require a subscription to perform its primary functions, which can save users from recurring costs. However, it does not check for heart attacks, which may be a limitation for some users seeking broader heart health monitoring. While the device offers valuable features, the need to ensure compatibility with smartphones can be a minor hurdle. Users who prioritize detailed and accurate heart monitoring, portability, and ease of use without recurring costs will benefit most from this product.

Rating
9.4
Accuracy
Ease of Use
Connectivity

Most important from
25745 reviews

Accuracy
The KardiaMobile 6-Lead EKG monitor is a game-changer, providing clear and detailed heart rhythm data that surpasses other devices like the Apple Watch.
Ease of Use
It's incredibly easy to use and produces medical-grade EKGs that can be quickly shared with doctors, making it perfect for those needing reliable heart monitoring at home.
Connectivity
Battery life is impressive, lasting around a year or more, and the device syncs effortlessly with the Kardia app on smartphones.
Battery Life
Battery life is impressive, lasting around a year or more, and the device syncs effortlessly with the Kardia app on smartphones.
Portability
The compact and lightweight design allows for easy portability, fitting seamlessly into daily routines.
Data Storage
Despite a few minor drawbacks, such as difficulty deleting saved ECGs and challenges with app availability in certain regions, the overall user experience is overwhelmingly positive.
Additional Features
While some additional services and algorithms for ECG interpretation come at a cost, the basic functionality is highly effective without a subscription.
#3

KardiaMobile RED 1-Lead Personal EKG Monitor – Record EKGs at Home – Detects AFib and Irregular Arrhythmias – Instant Results in 30 Seconds – Works with Most Smartphones - FSA/HSA Eligible

Rating
9.1
Accuracy
Ease of Use
Portability

Most important from
79299 reviews

Accuracy
This device excels at detecting heart rate and rhythm abnormalities, making it invaluable for monitoring conditions like atrial fibrillation.
Ease of Use
Its compact size and ease of use make it feel like having a personal EKG right in your pocket, perfect for frequent heart monitoring at home.
Portability
Its compact size and ease of use make it feel like having a personal EKG right in your pocket, perfect for frequent heart monitoring at home.
Data Storage
The device's ability to store and share EKG history easily with doctors enhances ongoing heart health management without the need for subscriptions.
Additional Features
While it offers medical-grade rhythm strips, it is not a substitute for a full 12-lead EKG used in hospital settings to diagnose coronary artery disease or heart attacks.

The KardiaMobile RED 1-Lead Personal EKG Monitor is a compact and convenient device designed to help you track your heart rhythm and detect atrial fibrillation (AFib) from the comfort of your home. It provides medical-grade single-lead EKG readings in just 30 seconds, delivering instant results on your smartphone. This device is highly portable—small enough to fit in your pocket—and easy to use, requiring you only to place your fingers on the sensors.

It connects smoothly with most smartphones and tablets through the Kardia app, allowing you to store your EKG history on your phone or email the reports to your doctor without any subscription required. Users appreciate the device's accuracy for detecting AFib, bradycardia, and tachycardia, supported by FDA clearance and professional trust. Battery life is decent with a built-in rechargeable lithium-ion battery, so you don’t have to worry about frequent replacements.

KardiaMobile only records a single-lead EKG, which is less detailed than multi-lead hospital equipment, and it doesn’t detect heart attacks or work well with pacemakers or implanted cardiac devices. Some advanced features require a paid KardiaCare subscription, which is optional. If you want a user-friendly, portable heart monitor focused on AFib detection with reliable accuracy and easy sharing options, this device is a strong choice, especially for individuals who want to monitor their heart rhythm regularly without complicated setups.

Rating
9.1
Accuracy
Ease of Use
Portability

Most important from
79299 reviews

Accuracy
This device excels at detecting heart rate and rhythm abnormalities, making it invaluable for monitoring conditions like atrial fibrillation.
Ease of Use
Its compact size and ease of use make it feel like having a personal EKG right in your pocket, perfect for frequent heart monitoring at home.
Portability
Its compact size and ease of use make it feel like having a personal EKG right in your pocket, perfect for frequent heart monitoring at home.
Data Storage
The device's ability to store and share EKG history easily with doctors enhances ongoing heart health management without the need for subscriptions.
Additional Features
While it offers medical-grade rhythm strips, it is not a substitute for a full 12-lead EKG used in hospital settings to diagnose coronary artery disease or heart attacks.

Buying Guide for the Best Atrial Fibrillation Monitors

Choosing the right atrial fibrillation monitor is crucial for effectively managing your heart health. These devices help you keep track of your heart's rhythm and detect any irregularities, which is essential for preventing complications. When selecting an atrial fibrillation monitor, it's important to consider several key specifications to ensure the device meets your needs and provides accurate, reliable data. Here are the key specs to look out for and how to choose the best one for you.
AccuracyAccuracy refers to how precisely the monitor can detect atrial fibrillation and other heart irregularities. This is important because accurate readings are essential for proper diagnosis and treatment. Look for monitors that have been clinically validated or approved by health authorities. If you have a serious condition, opt for a device with high accuracy to ensure you get the most reliable data.
Ease of UseEase of use is about how simple the device is to operate. This is important because a device that is difficult to use may lead to incorrect readings or discourage regular monitoring. Devices can range from simple, single-button operations to more complex systems with multiple features. If you are not tech-savvy, choose a monitor that is straightforward and user-friendly.
ConnectivityConnectivity refers to the monitor's ability to sync with other devices, such as smartphones or computers. This is important for tracking your data over time and sharing it with your healthcare provider. Monitors can offer various connectivity options like Bluetooth, Wi-Fi, or USB. If you want to keep a detailed record of your heart health, choose a monitor with good connectivity features.
Battery LifeBattery life indicates how long the monitor can operate before needing a recharge or battery replacement. This is important for ensuring the device is always ready to use when you need it. Battery life can vary from a few days to several months. If you travel frequently or use the monitor often, opt for a device with a longer battery life to avoid frequent recharging.
PortabilityPortability refers to how easy it is to carry the monitor with you. This is important if you need to monitor your heart health on the go. Monitors can range from small, handheld devices to larger, more stationary units. If you need to use the monitor outside of your home, choose a compact and lightweight model that is easy to transport.
Data StorageData storage is about how much information the monitor can hold before you need to transfer or delete it. This is important for keeping a comprehensive record of your heart health. Storage capacity can vary from a few readings to several months' worth of data. If you want to track your heart health over a long period, choose a monitor with ample data storage.
Additional FeaturesAdditional features can include things like alerts, reminders, and integration with health apps. These are important for enhancing the functionality of the monitor and making it easier to manage your heart health. Features can vary widely between models. If you want a more comprehensive monitoring experience, look for devices that offer features that align with your needs, such as automatic alerts for irregular readings or integration with your favorite health apps.

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