Top 5 Smartwatches for Heart Monitoring: Buyer's Guide

Did you know that heart disease is a leading health concern worldwide? Keeping track of your heart health has never been easier, thanks to amazing technology like smartwatches. These handy gadgets now pack powerful sensors that can monitor your heart rate, detect irregular rhythms, and even track your activity levels throughout the day. It’s like having a tiny health assistant right on your wrist!

However, the market is flooded with choices. Should you pick the one with the best battery life or the most accurate ECG sensor? It can feel overwhelming trying to figure out which smartwatch truly offers the best heart monitoring features for your needs. We understand the confusion when trying to balance features, price, and reliability.

This guide cuts through the noise. We will break down the essential heart monitoring features you need to look for in a smartwatch. By the end of this post, you will know exactly which features matter most for keeping a close watch on your ticker. Let’s dive in and explore the best smartwatches to safeguard your heart health!

Top Smartwatches For Heart Monitoring Recommendations

SaleBestseller No. 1

Smart Watch for Men Women, 1.83" Fitness Watch (Answer/Make Call), Smartwatch with Heart Rate/Blood Pressure, Sleep Tracker, Pedometer, 120+ Sport Modes,IP68 Waterproof Fitness Tracker for Android IOS

【Bluetooth Calling & Message Notifications】This smart watch is compatible with both Android and iPhone devices. Simply pair it with your phone via Bluetooth to make and receive calls, as well as view text messages and notifications from popular social apps—all directly on your wrist. Say goodbye to constantly checking your phone—you’ll never miss an important message again.
【 24/7 Health Monitoring & Sleep Tracking】Equipped with advanced health sensors, this smartwatch monitors your heart rate and blood pressure throughout the day, and analyzes your sleep patterns at night (including deep, light, and moderate sleep stages). Sync your data with the "Da Fit" app to view trends over 1, 7, or 14 days, helping you develop healthier habits with actionable insights.
【123+ Sports Modes & IP68 Waterproof】With over 123 sports modes, this fitness tracker supports a wide variety of indoor and outdoor workouts. Track steps, calories burned, and distance covered in real time. Its IP68 waterproof rating makes it suitable for swimming, rainy weather, and other outdoor adventures.
【 HD Display & Customizable Watch Faces】Featuring a 1.83-inch full-touch HD screen, this fitness watch offers a sharp, vibrant viewing experience. Choose from hundreds of stylish watch faces in the "Da Fit" app, or upload your own photos to personalize your look.
【 Long Battery Life & Multi-Functional Tools】Charge fully in just 2 hours and enjoy up to 10 days of usage, with a standby time of over 30 days. The watch also includes handy features like a pedometer, stopwatch, alarm clock, music and camera control, voice assistant, and more—making it your reliable everyday companion.

Bestseller No. 2

Smart Watch, 1.85" HD Smartwatch for Men Women (Answer/Make Calls), Fitness Watch with Heart Rate/Sleep/IP68 Waterproof/120+ Sports Modes, Pedometer, Android Smart Watch for Android iOS (Black)

Bluetooth Call and Voice Assistant: Smart watch built-in microphone and HD speaker, you can make and receive calls directly from this smart watches for men. You can also use the built-in voice assistant to ask questions, control music playback and more
1.85'' HD Screen and DIY Dials: Android smart watch features a TFT HD color screen and curved 3D curved glass for superior picture quality and touch sensitivity. You can also choose from 100+ dials or personalize the dial with your favorite photos
24 Hour Health Monitoring: The built-in sensor of the smart watches for women has been upgraded, which is faster and more powerful in monitoring heart rate, blood oxygen and sleep, and provides a comprehensive sleep quality analysis (non-medical standard)
120+ Sports Modes: Active Fitness Tracker monitors over 120 activities including walking, running, cycling, swimming, yoga and more. Receive real-time stats directly on your wrist and record your stats in the "Da Fit" app
Message Notification: Smart watch can receive SMS other social media message notifications such as Text, Facebook, WhatsApp, Instagram, X and other apps. Opens the "Da Fit" app message push settings to get the latest news(can’t send messages）

SaleBestseller No. 3

1.83" HD Smart Watch, 30 Days Battery Life, Sleep/Heart Rate/SpO2/Blood Pressure Monitor, Calls/Messages/Notifications, 5ATM 110+ Sports Modes Fitness Tracker Watch, for Women & Men/ Android & iPhone

WHY CHOOSE AKUMAKA G62 SMART WATCH? ① Stylish Design: Chic silver finish that complements any outfit; ② Bluetooth Calls & Messages: Stay connected hands-free; ③ Health Monitoring: Track heart rate, SpO₂, sleep, and BP in real time; ④ Fitness Modes: Multiple sports tracking to meet your goals; ⑤ Long Battery Life: 1000mAh battery for extended use; ⑥ Free App Support: Easy setup and detailed health insights; ⑦ Wide Compatibility: Works with Android and iPhone
Elegant Smart Watches for Women: This smartwatch comes with a silver metal frame and a 1.83" HD screen, which is elegant and stylish overall. 2 different styles of watch bands (1 metal, 1 silicone) are perfect for work, casual wear and special occasions. In addition, there are more than 200 watch face styles to choose from, and you can also upload photos to customize your unique watch face
Continuous Health Monitor: With the latest touch chip CST816D, high-sensitivity G-sensor STK8321 and PPG heart rate sensor HX3918 built in, AKUMAKA smart watches can monitor heart rate, blood oxygen, blood pressure and sleep accurately. The sleep tracker turns on automatically at night, and the other three can be measured automatically or manually at any time
Bluetooth Calls Messages Notifications: After connect your phone and smartwatch, you can easily make and answer calls directly on your wrist, without holding your phone all the time. The watch will also receive real-time messages or app notifications from SMS, Facebook, WhatsApp, Instagram and so on. Bluetooth alerts is convenient, but note that you can't edit or reply to messages from your smart watch
5ATM Fitness Watch with 110+ Sports Modes: As a daily wearable activity tracker, it keeps recording your steps, distance and calories burned, and no need to take it off even if you sweat, wash your hands or it rains. This fitness watch supports 110+ sports modes, of which 8+1 sports modes are built into the watch system. No matter you like outdoor or indoor workouts, it will help you stay active and fit

SaleBestseller No. 4

Smart Watches for Men Women, Alexa Built-in, 1.8" Smartwatch with Heart Rate/SpO2/Sleep/Stress, IP68 Waterproof Fitness Tracker with Bluetooth Call (Answer/Make), 101+ Sports Modes, for Android iPhone

【24/7 Health Data Monitoring】The Women's Smartwatch Will Monitor Your Heart Rate, Blood Oxygen, and Stress all the time (CE/FCC certified for accuracy), giving you better health protection. This fitness tracker also automatically records your sleep and provides a detailed sleep quality analysis report. The VeryFit app allows you to view past health data analysis, facilitating the development of healthier sleep habits.
【Keep in Touch & Alexa Built-in】This bluetooth smart watch allows you to Make/Answer/Reject Calls on the go. Also, receive notifications from your smartphone on your wrist such as Facebook, Instagram, WhatsApp, Snapchat, WhatsApp and more. What's more, the smart watches for women and men (ideal as a thoughtful gift for V-Day, Father's Day, Mother’s Day, birthdays, or graduations) come with the Alexa voice assistant, with voice commands you can set alarms, check the weather, control music. (THE WATCH CAN NOT SEND MESSAGES, or TEXT BACK)
【100+ Sports & IP68 Waterproof】Supports over 100+ sports modes on the fitness watches for women. With its step, distance, and calorie burned tracking capabilities, whether you're swimming, walking, running, yoga, playing rugby, baseball, basketball or even mountain climbing, it’s ideal for fitness enthusiasts or anyone maintaining an active lifestyle. With an IP68 waterproof, the android smart watch allowing you to wear it while washing hands or in the rain. or during water sports like swimming without worry
【Outstanding Battery Life & Versatile Functions】Powered by a high-capacity 300mAh battery, the activity trackers and smartwatches fully charges in just 2 hours for 7 days of daily use, magnetic charging design, more convenient and stable. It is compatible with iOS 9.0+ (including iPhone 17/16/15/14/13) and Android 6.0+ smartphones. The smart watch for iphone compatible also equipped many other strong functions, such as weather forecasts, alarm clocks, remote camera , music control, and do-not-disturb mode—perfect for work-life balance
【1.8" Touch Screen & 100+ Dials】The womens smart watches features 1.8" HD touch screen with high sensitive, bring you a different visual feast. Express your personality with 100+ free watch faces and fully customizable watch faces using your own photos. Smart watch is compatible with android and iPhone, works seamlessly with most iOS 9.0+ & Android 6.0+ smartphones, ideal for fashion-forward women who value style and functionality

Bestseller No. 5

Advanced Health Smartwatch for Women Men with Real-Time Monitoring of Heart Rate, Blood Oxygen, Body Temperature, Blood Pressure, Sleep Auality and Stress Levels.Always-On Display, for Android & iOS

【Your True Companion for Health Monitoring!】The blood pressure smart watch for men and women is equipped with a high-performance optical sensor, which can track health data such as heart rate, blood oxygen, body temperature, blood pressure, sleep quality, stress level, etc. in real time 24 hours a day, It also provides intimate reminders such as drinking water, sitting for a long time, alarm clock, and reaching exercise goals. Your health is in your control!
【Activity Tracking and IP68 Waterproof】This fitness tracking watch supports 150+ sports modes such as running, cycling, basketball, dancing, etc., meeting the sports needs of fitness enthusiasts, recording every exercise data, helping you to train scientifically and exercise efficiently. The IP68 waterproof design of the sports watch allows you to use it with confidence even when you are sweating or washing your hands, making it an ideal partner for fitness enthusiasts.
【Bluetooth 5.2 Calls & Notifications & AI Voice Assistant】After connecting to your phone via Bluetooth, you can answer/make clear calls directly on your fitness watch. This fitness tracker also reminds you of APP message notifications such as Facebook, WhatsApp, Instagram, etc. in real time through vibration. Built-in AI voice assistant, easy voice control of music playback, reminder settings and other operations, freeing your hands and making your daily life more efficient.
【150+ Personalized Dials & DIY Dials】 The sports smartwatch has high touch sensitivity and excellent display quality. You can choose from 150+ high-definition online dials through the APP, and you can upload photos to customize the dial style freely to meet the needs of different occasions and moods, showing your unique personality and making the watch more exclusive.
【Widely Compatible, Rich in Functions】This pedometer smart watch is compatible with Android 4.4 and above and iOS 8.2 and above, and the pairing is fast and stable. It integrates multiple practical functions such as time display, weather forecast, music and camera control, alarm setting, phone search, etc., to help you easily manage your daily life.

Bestseller No. 6

Smart Watch Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Monitor Sleep Tracker 120 Sports Modes Activity Trackers Step Calorie Counter IP68 Waterproof for Andriod iPhone Women Men

【Superb Visual Experience & Effortless Operation】Diving into the latest 1.58'' ultra high resolution display technology, every interaction on the fitness watch is a visual delight with vibrant colors and crisp clarity. Its always on display clock makes the time conveniently visible. Experience convenience like never before with the intuitive full touch controls and the side button, switch between apps, and customize settings with seamless precision.
【Comprehensive 24/7 Health Monitoring】The fitness watches for women and men packs 24/7 heart rate, 24/7 blood pressure and blood oxygen monitors. You could check those real-time health metrics anytime, anywhere on your wrist and view the data record in the App. The heart rate monitor watch also tracks different sleep stages for light and deep sleep,and the time when you wake up, helps you to get a better understanding of your sleep quality.
【120+ exercise modes & All-Day Activity Tracking】There are more than 120 exercise modes available in the activity trackers and smartwatches, covering almost all daily sports activities you can imagine, gives you new ways to train and advanced metrics for more information about your workout performance. The all-day activity tracking feature monitors your steps, distance, and calories burned all the day, so you can see how much progress you've made towards your fitness goals.
【Messages & Incoming Calls Notification】With this smart watch fitness trackers for iPhone and android phones, you can receive notifications for incoming calls and read messages directly from your wrist without taking out your phone. Never miss a beat, stay in touch with loved ones, and stay informed of important updates wherever you are.
【Essential Assistant for Daily Life】The fitness watches for women and men provide you with more features including drinking water and sedentary reminder, women's menstrual period reminder, breath training, real-time weather display, remote camera shooting, music control,timer, stopwatch, finding phone, alarm clock, making it a considerate life assistant. With the GPS connectivity, you could get a map of your workout route in the app for outdoor activity by connecting to your phone GPS.

SaleBestseller No. 7

Smart Watch for Women Android & iPhone, Alexa Built-in, IP68 Waterproof Activity Fitness Tracker with Bluetooth Call (Answer/Make), 1.8" Smartwatch with Heart Rate/SpO2/Sleep Monitor, 100+ Sports Mode

【Keep in Touch & Alexa Built-in】This bluetooth smart watch allows you to Make/Answer/Reject Calls on the go. Also, receive notifications from your smartphone on your wrist such as Facebook, Instagram, WhatsApp, Snapchat, WhatsApp and more. What's more, the smart watches for women (ideal as a thoughtful gift for Mother’s Day, birthdays, or graduations) come with the Alexa voice assistant, with voice commands you can set alarms, check the weather, control music, or manage smart home devices hands-free. (THE WATCH CAN NOT SEND MESSAGES, or TEXT BACK)
【24/7 Health Data Monitoring】The Women's Smartwatch Will Monitor Your Heart Rate, Blood Oxygen, and Stress 24/7 (CE/FCC certified for accuracy), giving you better health protection. This fitness tracker also automatically records your sleep and provides a detailed sleep quality analysis report. The VeryFit app allows you to view past health data analysis, facilitating the development of healthier sleep habits
【100+ Sports & IP68 Waterproof】Supports over 100+ sports modes on the fitness watches for women. With its step, distance, and calorie burned tracking capabilities, whether you're swimming, walking, running, yoga, playing rugby, baseball, basketball or even mountain climbing, it’s ideal for fitness enthusiasts or anyone maintaining an active lifestyle. With an IP68 waterproof, the android smart watch allowing you to wear it while washing hands or in the rain. or during water sports like swimming without worry
【Outstanding Battery Life & Versatile Functions】Powered by a high-capacity 300mAh battery, the activity trackers and smartwatches fully charges in just 2 hours for 7 days of daily use, magnetic charging design, more convenient and stable. It is compatible with iOS 9.0+ (including iPhone 17/16/15/14) and Android 6.0+ smartphones. The smart watch for iphone compatible also equipped many other strong functions, such as weather forecasts, alarm clocks, remote camera , music control, and do-not-disturb mode—perfect for work-life balance
【1.8" Touch Screen & 100+ Dials】The womens smart watches features 1.8" HD touch screen with high sensitive, bring you a different visual feast. Express your personality with 100+ free watch faces and fully customizable watch faces using your own photos. Smart watch is compatible with android and iPhone, works seamlessly with most iOS 9.0+ & Android 6.0+ smartphones, ideal for fashion-forward women who value style and functionality

Bestseller No. 8

Csasan Smart Watch for Men Women(Answer/Make Call), 1.91" HD Screen Smartwatch Heart Rate/Sleep/Steps Monitor, 100+ Sports Fitness Watch, IP68 Waterproof Activity Trackers for Android iOS Black

1.91-Inch High-Definition Full Screen: Experience the elegance of our fitness watch 1.91-inch HD full touch display (with adjustable brightness). Smart and convenient interaction design, lock screen and wake up easily by raising your wrist. Secondly, you can customize your watch face. It can be any photo, such as your family, pets, etc. Csasan T70 android smart watch meets your personalized needs, follows the rhythm, and gives you a different experience.
Wireless Calls and Message Push: Smart watches for men keep you connected anytime, anywhere, with clear speaker sound quality, you can clearly hear what the other party is saying. Answer and make calls right from your wrist, and easily sync multiple mobile contacts. The smartwatches supports full-network message push (Instagram, YouTube, Messenger, Gmail, Snapchat, Facebook, Twitter, WhatsApp, etc.), so you can stay informed without picking up your phone. (Note: smart watches cannot reply)
110+ Sports Modes and IP68: The fitness tracker provides up to 110+ sports modes, covering running, cycling, swimming, fitness and other activities to meet the preferences of different users. Activity trackers bracelets meet the waterproof requirements for most sports enthusiasts' daily activities, such as washing hands or exercising in the rain, meeting daily needs (note: do not use it in water, such as sauna, long-term soaking in water, which will affect the waterproof life).
24/7 Heart Rate Monitor and Sleep Tracker Monitor: The fitness tracker watch for men has a built-in high-performance sensor that can record our heart rate changes in real time. Monitor your heart rate 24 hours a day and keep an eye on your health. But the data is just used for reference. This smart watch for android phones can also measure your sleep automatically, which helps you know awake, light, and deep sleep data and remind you to adjust your sleep habits.
Multifunction and Compatibility: This step counter watch also has many useful functions, such as weather forecast, music control, sedentary reminder, stopwatch, alarm clock, timer, track female cycle, screen light time, find phone etc. This smart watches for women/man is compatible with Android 5.0 and above and IOS 9.0 and above smartphones. You can discover more functions of the watch through the "Gloryfit" app, which will bring you a better experience.

Choosing Your Smartwatch for Heart Monitoring: A Simple Buying Guide

A smartwatch can be a helpful tool to keep an eye on your heart health. They track your heart rate all day long. This guide will help you pick the best one for you.

Key Features to Look For

When shopping for a heart monitoring smartwatch, certain features really matter. You want accurate tracking. You also want features that fit your life.

Accurate Heart Rate Tracking

Continuous Monitoring: The watch should track your heart rate constantly, not just when you ask it to.
Resting Heart Rate: This is a key number. A lower resting heart rate is usually better.
Irregular Rhythm Alerts: Some watches can warn you if your heart beats in an unusual pattern. This is very important for some people.

Advanced Heart Health Tools

ECG (Electrocardiogram) Capability: High-end watches can take an on-demand ECG reading. This gives a more detailed look at your heart’s electrical activity.
Blood Oxygen (SpO2) Monitoring: This measures how much oxygen your blood carries. Good oxygen levels are important for overall health.

Battery Life and Compatibility

Long Battery Life: You don’t want your heart monitor dying in the middle of the night. Look for watches that last at least a full day, or even several days.
Phone Compatibility: Make sure the watch works well with your smartphone (iPhone or Android).

Important Materials and Durability

The materials affect how long the watch lasts and how comfortable it feels. You will wear this watch all the time.

Watch Body and Screen

Case Material: Aluminum is light and common. Stainless steel is stronger and feels more premium. Some high-end models use titanium, which is very strong but expensive.
Screen Glass: Look for tough glass like Gorilla Glass. This glass resists scratches better when you bump your wrist.

Watch Bands

Silicone/Fluoroelastomer: These bands are best for exercise. They handle sweat and water very well.
Nylon or Fabric: These can be very comfortable for all-day wear, especially if you have sensitive skin.

Factors That Improve or Reduce Quality

Quality is about more than just looks. It’s about how well the watch performs its job—keeping track of your heart.

What Makes Quality Better?

Sensor Accuracy: Newer, better sensors provide heart rate readings closer to what a medical device shows. High-quality watches test their sensors often.
Water Resistance Rating: A good rating (like 5 ATM) means you can swim with it without worry. This allows for continuous monitoring during water activities.
Software Updates: Brands that regularly update their software often improve the accuracy of their tracking algorithms over time.

What Reduces Quality?

Poor Fit: If the watch band is too loose, the sensor cannot touch your skin correctly. This causes inaccurate readings.
Slow Processor: A slow watch might lag when you try to check your heart rate quickly. This frustration lowers the overall user experience.

User Experience and Use Cases

Think about how you plan to use the watch every day.

Daily Use

For most people, the best watch is one you forget you are wearing. It should be light enough for sleep tracking. The app where you view the data must be easy to understand. Clear graphs help you see trends in your heart rate easily.

Specific Use Cases

Fitness Enthusiasts: You need a watch that tracks heart rate zones during intense workouts. GPS built into the watch is a big plus here.
Health Management: If a doctor told you to monitor your heart, you need reliable alerts. Look for FDA-cleared features if possible, as these have stricter accuracy standards.

10 Frequently Asked Questions (FAQ) About Heart Monitoring Smartwatches

Q: Can a smartwatch replace a doctor’s advice?

A: No. Smartwatches give you information, but they are not medical devices meant to diagnose sickness. Always talk to your doctor about any strange heart readings.

Q: How accurate are these watches usually?

A: Most modern smartwatches are very accurate (about 90-95%) during rest or light activity. Accuracy can sometimes drop during very fast, jerky movements like heavy weightlifting.

Q: Do I have to wear the watch tightly?

A: Yes, a snug fit is necessary. It should be tight enough so it doesn’t slide around, but not so tight that it cuts off circulation.

Q: What does an “irregular rhythm notification” mean?

A: It means the watch noticed your heart beats looked uneven. This might suggest a condition like atrial fibrillation (AFib). You should show this notification to your doctor.

Q: Can I use my watch in the pool?

A: Many can! Check the water resistance rating. Look for 5 ATM or higher for swimming. Check the manufacturer’s guidelines before taking any watch swimming.

Q: Do I need to charge it every day if I track my heart all night?

A: If you track heart rate overnight, you might need to charge it daily or every other day, depending on the model. Longer battery life models last longer.

Q: What is the difference between heart rate and ECG?

A: Heart rate is just how many times your heart beats per minute. An ECG measures the electrical signals that make your heart beat, giving a much more detailed picture.

Q: Are the subscription fees worth it?

A: Some brands charge extra for deep insights or advanced reports. Decide if the basic free features give you enough information before paying for a subscription.

Q: Does skin color affect heart rate readings?

A: Historically, very dark skin pigment sometimes made readings harder, but newer optical sensors have improved greatly to work better for everyone.

Q: Can I track my blood pressure with these watches?

A: Most standard smartwatches do not track blood pressure accurately yet. Some specific models or newer releases are starting to include this feature, but you must check the product specs carefully.