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Af Monitor Comparison - July 2025

3 Best Af Monitor In the UK

1
Best Choice
9.9Exceptional
2
9.7Exceptional
3
Best Value
9.4Excellent
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Model

KardiaMobile 1-Lead Personal ECG Heart Rate Monitor - Record ECGs at Home, Detects Atrial Fibrillation, Trusted by The NHS, Results in 30 Seconds, Works with Most Smartphones
Model
KardiaMobile 6-Lead Personal ECG Heart Rate Monitor - Six Views of The Heart, Detects Atrial Fibrillation, Trusted by the NHS, Results in 30 Seconds, Works with Most Smartphones
Model
Nikon Z50 + Z DX 16-50mm + Z DX 50-250mm Mirrorless Camera Kit (209-point Hybrid AF, High speed image processing, 4K UHD movies, High Resolution LCD Monitor) VOA050K002

Brand

AliveCor
Brand
AliveCor
Brand
Nikon

Reviews

211,623 reviews
Reviews
62,193 reviews
Reviews
1,554 reviews

Tech Specs

batteries

1 Lithium Metal batteries required. included
batteries
1 CR2 batteries required. included
batteries
1 Lithium Ion batteries required. included

Available On

Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    AliveCor
    10% Off

    KardiaMobile 1-Lead Personal ECG Heart Rate Monitor - Record ECGs at Home, Detects Atrial Fibrillation, Trusted by The NHS, Results in 30 Seconds, Works with Most Smartphones

    Why we love it

    Instant ECG results in 30 seconds.
    Portable and easy to use anywhere.
    No subscription needed for basic features.
    Main highlights
    • TRUSTED BY THE NHS: Created by cardiologists and recommended by doctors, Kardia devices have recorded more than 250 million ECGs and helped over 5 million customers worldwide. Works without WiFi.
    • Not recommended for use with pacemakers and ICDs and does not detect heart attack.  Responsible Person: MedEnvoy, Prinses Margrietplantsoen 33 - Suite 123, 2595 AM The Hague, The Netherlands; Obelis s.a Bd. General Wahis 53, 1030 Brussels, Belgium
    • NO SUBSCRIPTION REQUIRED: unlimited ECGs, ECG storage on your phone and weight and blood pressure monitoring.
    • KARDIACARE MEMBERSHIP: Upgrade to KardiaCare for personalised insights into your heart health that allow you to track your heart activity over time. Additional features included in the membership: clinician reviews, medication tracking, cloud storage and more.
    • HEART MONITORING ON THE GO: Capture unlimited medical-grade ECGs 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.
    • ECG HISTORY: With the press of a button, email your ECGs 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 (AF), Bradycardia, Tachycardia and Normal Sinus Rhythm. Additional detections and features available with a KardiaCare membership. KardiaCare is not included with this product.
    • COMPATIBLE WITH MOST POPULAR PHONES/TABLETS: To use your Kardia device, you must download the Kardia app on a compatible device running at least Apple iOS 10.3.3, or at least Android OS 6.0. Visit Alivecor to check the list of compatible devices.
  • 9.7
    2
    AliveCor

    KardiaMobile 6-Lead Personal ECG Heart Rate Monitor - Six Views of The Heart, Detects Atrial Fibrillation, Trusted by the NHS, Results in 30 Seconds, Works with Most Smartphones

    Why we love it

    Quick ECG results in 30 seconds.
    No subscription needed for basic features.
    Trusted by healthcare professionals.
    Main highlights
    • TRUSTED BY THE NHS: Created by cardiologists and recommended by doctors, Kardia devices have recorded more than 250 million ECGs and helped over 5 million customers worldwide. Works via Bluetooth, no WiFi needed.
    • SIX LEADS, SIX TIMES THE DATA: Six-lead ECGs give you a more detailed view of your heart for you with your doctor. Simply place your fingers on the sensors to detect Atrial Fibrillation (AF), Bradycardia, Tachycardia and Normal Sinus Rhythm right on your smartphone - more in-depth heart data than any smartwatch.
    • Not recommended for use with pacemakers and ICDs and does not detect heart attack. Responsible Person: MedEnvoy, Prinses Margrietplantsoen 33 - Suite 123, 2595 AM The Hague, The Netherlands; Obelis s.a Bd. General Wahis 53, 1030 Brussels, Belgium
    • NO SUBSCRIPTION REQUIRED: unlimited ECGs, ECG storage on your phone and weight and blood pressure monitoring.
    • KARDIACARE MEMBERSHIP: Upgrade to KardiaCare for personalised insights into your heart health that allow you to track your heart activity over time. Additional features included in the membership: clinician reviews, medication tracking, cloud storage and more.
    • HEART MONITORING ON THE GO: Capture unlimited medical-grade ECGs 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.
    • COMPATIBLE WITH MOST POPULAR PHONES/TABLETS: To use your Kardia device, you must download the Kardia app on a compatible device running at least Apple iOS 10.3.3, or at least Android OS 6.0. Visit Alivecor to check the list of compatible devices.
  • 9.4
    3
    Nikon

    Nikon Z50 + Z DX 16-50mm + Z DX 50-250mm Mirrorless Camera Kit (209-point Hybrid AF, High speed image processing, 4K UHD movies, High Resolution LCD Monitor) VOA050K002

    Why we love it

    Exceptional image quality for stunning photos.
    User-friendly design with ergonomic grip.
    Versatile lens for various shooting scenarios.
    Main highlights
    • Ultra-portable wide-angle zoom: fast-focusing lens with wide-angle to normal 16–50mm focal length range (FX- format/35mm equivalent 24–75mm).
    • Superb image quality: wide Nikon Z mount, large 20.9 MP DX-format (APS-C) CMOS sensor, and fast EXPEED 6 image processor.
    • Silent control ring: for Key functions including manual focus, aperture control, and exposure compensation.
    • Nikon ergonomics: deep grip for comfortable handling, and thoughtfully placed buttons, dials, and touchscreen controls.
    • Large tilting touchscreen: high-resolution (1040k-dot) LCD monitor with smartphone-style touch controls. Can be tilted up or down for flexibility when shooting video or Self-Portraits.
    • Intelligent eye-detection AF: automatically focuses on a subject’s eyes, whether they’re Alone or a face in a crowd.

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Value for money

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.

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