10 Best Atrial Fibrillation Monitors 2025 in the United States

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.

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.

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.