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Atrial Fibrillation Monitor Comparison - August 2025
Overview: If you have atrial fibrillation, you may need to monitor your heart rate. There are a variety of atrial fibrillation monitors on the market. This page will compare some of the features of different atrial fibrillation monitors to help you choose the best one for you.
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
Model
KardiaMobile 6L Max with 12-Month Subscription | 6-Lead Personal EKG Monitor | Heart Health Membership | Detects AFib & Irregular Arrhythmias | Easy Results in 30 Seconds | Works with Smartphones
Model
KardiaMobile 1-Lead Personal EKG Monitor – Record EKGs at Home – Detects AFib and Irregular Arrhythmias – Instant Results in 30 Seconds – Easy to Use – Works with Most Smartphones
Model
KardiaMobile Card Wallet-Sized Personal EKG Device - Record Single-Lead EKGs On The Go and Detect Irregular Heartbeats - by AliveCor
Model
EMAY 6L Portable ECG Monitor | Record ECG and Heart Rate in 6 Channels | Compatible with Smartphone and PC | No Subscription Required
Model
EMAY Portable ECG Monitor | Record ECG and Heart Rate | Compatible with Smartphone and PC
Brand
AliveCor
Brand
AliveCor
Brand
AliveCor
Brand
AliveCor
Brand
EMAY
Brand
EMAY
Reviews
42,564 reviews
Reviews
1,848 reviews
Reviews
146,838 reviews
Reviews
4,866 reviews
Reviews
214 reviews
Reviews
188 reviews
Features
Precision
9.3
Precision
8.6
Precision
9.1
Precision
9.1
Precision
8.6
Precision
8.4
Simple to use
9.4
Simple to use
8.4
Simple to use
9.3
Simple to use
8.6
Simple to use
8.1
Simple to use
7.9
Worth the money
9.3
Worth the money
8.4
Worth the money
7.9
Worth the money
9.1
Worth the money
7.4
Worth the money
7.2
Tech Specs
item package dimensions l x w x h
5.61 x 3.7 x 1.22 inches
item package dimensions l x w x h
5.59 x 3.7 x 1.14 inches
item package dimensions l x w x h
5.59 x 3.7 x 1.2 inches
item package dimensions l x w x h
5.43 x 4.37 x 0.75 inches
item package dimensions l x w x h
5.86 x 3.26 x 1.81 inches
item package dimensions l x w x h
5.43 x 5.31 x 1.34 inches
product dimensions
3.54L x 1.18W x 0.28H
product dimensions
3.54L x 1.18W x 0.28H
product dimensions
3.28L x 0.02W x 0.2H
product dimensions
3.37L x 2.13W x 0.05H
product dimensions
4.7L x 2.2W x 0.7H
product dimensions
4L x 1.7W x 0.5H
screen size
6
screen size
6
screen size
0.96 Inches
screen size
0.75
screen size
2.4 Inches
screen size
1.8 Inches
color
Black
color
Black, Grey, Grey
color
Grey
color
Black
color
Blue
color
Grey
compatible devices
Smartphones
compatible devices
Smartphones
compatible devices
Smartphones
compatible devices
Smartphones
compatible devices
Smartphones iOS & Android , PC Windows & Mac
compatible devices
Smartphones
item weight
24 Grams
item weight
24 Grams
item weight
18 Grams
item weight
7.4 Grams
item weight
85 Grams
item weight
80 Grams
package weight
0.1 Kilograms
package weight
0.1 Kilograms
package weight
0.1 Kilograms
package weight
0.05 Kilograms
package weight
0.22 Kilograms
package weight
0.21 Kilograms
material
Plastic
material
Stainless Steel
material
Plastic
material
Plastic
material
Metal, Acrylic
material
Metal
brand name
AliveCor
brand name
AliveCor
brand name
AliveCor
brand name
AliveCor
brand name
EMAY
brand name
EMAY
item dimensions lxwxh
3.54 x 1.18 x 0.28 inches
item dimensions lxwxh
3.54 x 1.18 x 0.28 inches
item dimensions lxwxh
3.27 x 1.26 x 0.14 inches
item dimensions lxwxh
3.37 x 2.13 x 0.05 inches
item dimensions lxwxh
4.7 x 2.2 x 0.7 inches
item dimensions lxwxh
4 x 1.7 x 0.5 inches
customer reviews
4.5 4.5 out of 5 stars 21, 282 ratings 4.5 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 924 ratings 4.5 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 73, 419 ratings 4.4 out of 5 stars
customer reviews
4.0 4.0 out of 5 stars 2, 433 ratings 4.0 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 107 ratings 4.6 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 94 ratings 4.6 out of 5 stars
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1
AliveCor
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
9.4Simple to use
9.3Precision
9.3worth the money
Why we love it
Quick 30-second EKG results.
No subscription needed for basic use.
Highly portable and easy to use.
Main highlights
TRUSTED BY PROFESSIONALS: Recommended by doctors, KardiaMobile 6L is the world’s only FDA-cleared six-lead personal EKG
SIX LEADS, SIX TIMES THE DATA. Six-lead EKGs give you a more detailed view of your heart and more data to share with your doctor. With KardiaMobile 6L, you can detect AFib, Bradycardia, Tachycardia and Normal Sinus Rhythm right on your smartphone. KardiaMobile 6L does not check for heart attack.
NO SUBSCRIPTION REQUIRED. Takes a six-lead EKG and detects Atrial Fibrillation, Bradycardia, Tachycardia, and Normal Sinus Rhythm without a KardiaCare subscription.
COMPATIBLE WITH SMARTPHONES. Works with most smartphones and tablets. KardiaMobile 6L is compatible with most popular phones and tablets. To use your Kardia device, you must download the Kardia app on a compatible device. Visit alivecor.com/compatibility to check the list of compatible devices.
ACCURATE AND DETAILED EKG RESULTS. KardiaMobile 6L records a medical-grade, six-lead EKG and provides FDA-cleared determinations of your heart rhythm in just 30 seconds.
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9.5
2
AliveCor
KardiaMobile 6L Max with 12-Month Subscription | 6-Lead Personal EKG Monitor | Heart Health Membership | Detects AFib & Irregular Arrhythmias | Easy Results in 30 Seconds | Works with Smartphones
8.6Precision
8.4Simple to use
8.4worth the money
Why we love it
Get a more detailed view of your heart
Detect 6 of the most common arrhythmias
Get FDA cleared determinations of your heart rhythm
Main highlights
TRUSTED BY PROFESSIONALS. KardiaMobile 6L Max is FDA cleared and its 6-lead technology is recommended by cardiologists. Kardia technology is the most clinically validated personal EKG technology in the world.
KardiaMobile 6L Max is not tested or recommended for use with pacemakers and ICDs. KardiaMobile 6L Max does not check for heart attack and does not replace regular health checkups with your physician. Seek medical attention if you are experiencing any concerning symptoms or if you are having an emergency.
INCLUDES EVERYTHING YOU NEED. Get your device and membership all in one with 6 arrhythmia detections, cardiologist reviews of your EKG, detailed insights and reporting, and more.
GET A CARDIOLOGIST REVIEW. Have your EKG reviewed by a board-certified cardiologist in 24 hours or less—no appointment required.
DETAILED REPORTING & INSIGHTS. Dig into your heart data to help identify trends or triggers over time. Easily download and share data with your doctor.
ALERTS FOR POTENTIAL CHANGES IN YOUR EKGs. Have your EKGs automatically compared to your baseline EKG to monitor for potential changes over time that may otherwise be missed in a one-off recording.
ACCURATE 6-LEAD EKG RESULTS. Record a medical-grade, 6-lead EKG/ECG and get instant results. KardiaMobile 6L Max can detect six of the most common arrhythmias—atrial fibrillation, bradycardia, tachycardia, sinus rhythm with PVCs, SVE, and Wide QRS—more than any smartwatch.
A MEMBERSHIP IS REQUIRED and is included in your purchase. Upon activation in the app, you’ll be prompted to add your credit card info but will NOT be charged at that time.
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9.3
3
AliveCor
KardiaMobile 1-Lead Personal EKG Monitor – Record EKGs at Home – Detects AFib and Irregular Arrhythmias – Instant Results in 30 Seconds – Easy to Use – Works with Most Smartphones
9.3Simple to use
9.1Precision
7.9worth the money
Why we love it
Portable and easy to carry.
Instant results in 30 seconds.
No subscription needed for basic use.
Main highlights
TRUSTED BY PROFESSIONALS: KardiaMobile is FDA-cleared and the #1 doctor-recommended personal EKG with more than 100 million EKGs recorded.
Not recommended for use with pacemakers and ICDs and does not detect heart attack.
NO SUBSCRIPTION REQUIRED. Detects Atrial Fibrillation, Bradycardia, Tachycardia, and Normal Sinus Rhythm without a KardiaCare subscription.
KardiaMobile is COMPATIBLE WITH MOST POPULAR PHONES and TABLETS. To use your Kardia device, you must download the Kardia app on a compatible device. Visit alivecor.com/compatibility to check the list of compatible devices.
Instructions for use, tutorials, troubleshooting, and additional product support is offered through the product's Kardia app.
EKG ON THE GO: Capture unlimited medical-grade EKGs in 30 seconds and get an instant analysis right on your smartphone. KardiaMobile is small enough to fit in your pocket, so you can take it with you anywhere.
EKG HISTORY: With the press of a button, email your EKGs to your doctor or save them on your phone, no subscription required.
EASY TO USE: Simply place your fingers on the sensors to detect Atrial Fibrillation, Bradycardia, Tachycardia and Normal Sinus Rhythm. Additional detections and features available with KardiaCare subscription. KardiaCare is not included with this product.
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Our ranking system
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Features
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Consumer Reviews
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Popularity
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Advertising Disclosure
9.3 
9.7
1AliveCor
Quick 30-second EKG results.
