5 Best Health Tracking Smartwatches in 2021(ECG, B.P, SpO2 and Many More)

Best Health Tracking Smartwatches

Now smartwatches are not for just heart rate tracking or calorie tracking. Today’s health watches and fitness trackers can track complex health metrics(vital signs) such as ECG, Blood pressure, ECG, and much more.

Fortunately, most of these devices are clinically validated for their accuracy and effectiveness.

To help you choose the right health watches, I have compiled a list of health tracking smartwatches to track two or more health metrics, such as

  1. Heart Rate: Some watches in this list even alert you in case of an irregular heart rate.
  2. Electro Cardiogram(ECG/EKG): Take an ECG right from your wrist and alert you in case of irregular heart rythem such as atrial fibrillation. It can share your ECG report with your doctor as a PDF document
  3. Blood Oxygen Level Monitoring: Most of the health tracking watches discussed here comes with a blood oxygen sensor to track SpO2
  4. Blood Pressure: This list of best health tracking smartwatches also includes health watch for blood pressure monitoring
  5. Calories burned and much more

If you are looking for clinically validated ECG smartwatches, then check our top best ECG Smartwatches in 2021.

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Even though you cannot find a smartwatch combined with all these features, everyone can find one that best suit your needs.

6 Best Health Tracking Smartwatches in 2021

Image

Name

Features

Check Price

Image of a Samsung Galaxy Watch 3
  • Heart Rate

  • ECG

  • SpO2

  • B.P

  • Female Health

  • Calorie Tracking

  • Fall Detection

Image of Apple Watch Series 6 with GPS and LTE
  • Heart Rate

  • ECG

  • SpO2

  • Fall Detection

  • Calorie Tracking

Image of Fitbit Sense
  • Heart Rate

  • SpO2

  • Temeperature

  • Calorie Tracking

Image of Samsung Galaxy Watch Active2
  • Heart Rate

  • ECG

  • B.P

  • SpO2

  • Fall Detection

  • Calorie Tracking

  • Female Health

Image of Fitbit Versa 3
  • Heart Rate

  • SpO2

  • Calorie Tracking

  • Female Health 

1. Samsung Galaxy Watch3: (HR, ECG, SpO2, & B.P)

Image of Samsung Galaxy Watch 3 with GPS and cellular

Since the day it was released, we are a great fan of the Samsung Galaxy Watch3, and we included it in our list of best smartwatches. It is a complete package of essential health tracking fitness and smart features. 

Image of Samsung Galaxy Watch 3 with GPS and cellular

Samsung Galaxy Watch 3 comes with many health tracking features such as ECG, SpO2, B.P, Female Health Tracking, Calorie Tracking,Sleep Tracking, etc.

Back to health tracking features, you only required only this smartwatch to track all critical vital signs such as ECG, heart rate, blood oxygen(SpO2), blood pressure, sleep, calories burned, and much more.

The FDA Approved ECG app on Samsung Galaxy Watch3 can measure ECG on-demand and spot irregularities on the ECG(irregular heart rate and atrial fibrillation).

At this point, you can not find a smartwatch that comes with all these features. This makes it one of the top rivals to Apple Watch Series 6 and Fitbit Sense. 

Fall detection and emergency SOS is another life-saving feature on this health watch. In case the wearer does not respond after a fall, it calls the Emergency department for help. 

Still not finished! It can give you a deep insight into your sleep pattern and can even detect sleep apnoea with the help of its SpO2 sensor. 

It can track many indoor and outdoor activities with its advanced sensors when it comes to activity tracking.

As it has 5 ATM waterproof ratings, you can even swim or take a bath with this smart health watch. 

If you have this fitness watch, then you can leave your phone at home. It can do almost everything that that a smartphone does. 

You can store and play music on the go with this smartwatch. The Samsung Pay allows you to pay for a coffee on the go. If you are using Galaxy Watch 3 with LTE connectivity, you can make calls or send SMS right from your smartwatch. 

There is one more reason for our love for Samsung wearables because it always sends updates and improvements for its watches. For example, a recent OS update brings a few Galaxy Watch 3 features to its older models, such as Galaxy Watch and Galaxy Active. 

Advantages

  • Classical look and design
  • Comfortable
  • Multiple health tracking features
  • Music storage
  • No temperature sensor

Disadvantages

  • Low battery life(2 days)
  • ECG feature works with compatible Galaxy watch only
  • Expensive
  • Not fully compatible with Apple phones

2. Apple Watch Series 6: (HR, ECG, SpO2, Fall Detection)

Image of Apple Watch Series 6 with GPS and LTE

Apple watch Series 6 is the most advanced health-tracking smartwatch ever built by Apple. When compared with its predecessors, Apple Watch Series 4 and 5, it got a SpO2 sensor in addition to a clinically validated ECG App.

The ECG App can detect irregularities in heart rate, such as atrial fibrillation. Like Galaxy Watch 3, fall detection and emergency SOS feature are also available in this smartwatch. 

Apple Watch Series 6 can alert you in case of an irregular heart rate, and this condition needs immediate medical attention. This feature has already saved/saving people’s lives. 

When it comes to the fitness tracking features, the availability of built-in GPS makes it equally suitable to track indoor and outdoor activities such as running, biking, yoga, spinning, etc. It is resistant to water up to 50 meters like Galaxy watch 3. 

The smart features in Apple Watch Series 6 include smartwatch notifications, reminders, music storage, music streaming, etc. If you are looking for a health watch for iPhone, Apple Watch Series 6 is the right watch for you. 

Advantages

  • Premium look and design
  • Always-on display
  • Sleep tracking
  • Advanced health tracking and alerts
  • Water-resistant

Disadvantages

  • Costly
  • Low battery life(18 hours)
  • No temperature or BP monitoring feature available
  • It doesn’t work with Android devices.

3. Fitbit Sense: (HR, ECG, Temperature & SpO2)

Image of Fitbit Sense

Fitbit is a popular name in the world of wearable technology. Recently Fitbit launches its most advanced health-tracking smartwatch Fitbit Sense. 

Even though it does not have a blood pressure monitoring feature, it has some other essential features: skin temperature monitoring and SpO2. None of the smartwatches discussed here do comes with a sensor for temperature monitoring. 

The ECG sensor in this smartwatch is approved and validated by the FDA. The ECG app on this smartwatch analyzes ECG and can detect irregular heart rhythms such as atrial fibrillation. 

The Fitbit Sense also has a built-in fall GPS to track the real-time location. However, it does not have a fall detection feature like Apple Watches and Samsung Galaxy wearables. 

Fall detection is an essential feature on a smartwatch that costs more than $300. This is the main reason why it falls behind its rivals.

It has 20+ sport modes to track your various day-to-day activities, such as walking, running, cycling, treadmill, and many more. 

Advantages

  • Stress tracking
  • Sleep tracking
  • Menstrual cycle tracking
  • Waterproof
  • Long battery life(5 days)
  • Fitbit Pay
  • Fitbit Active zone minutes

Disadvantages

  • Expensive
  • No fall detection
  • No BP
  • No LTE model

4. Samsung Galaxy Watch Active 2: (HR, ECG, SpO2, & B.P)

Samsung Galaxy Watch Active 2

Samsung Galaxy watch is one of the best health tracking smartwatches. With more than a couple of software updates, the Galaxy Watch Active 2 got many Galaxy Watch 3 features. 

Now both Galaxy Watch3 and Galaxy Watch Active 2 have the ECG and SpO2 monitoring feature. This update makes it one of the top rivals to the Apple Watch Series 5. 

Along with the SpO2 sensor, it tracks your sleep right from your wrist. Each morning you get detailed sleep data on your Samsung Health App. 

In addition to advanced running analysis, it can track your location, pace, and distance with the help of its GPS sensors. 

Back to activity tracking feature, it tracks many other activities such as swimming, walking, running, treadmill, and many more.

The smart features are similar to the Galaxy Wacth3 except for music storage capacity. The storage space for Active 2 is only 4 GB which is a bit less for a hard-core music lover.

But it supports music streaming apps such as Spotify. On the other hand, the Galaxy Watch 3 has an enormous storage space of 8 GB. 

It also has an LTE enables smartwatch that allows you to make calls, sent SMS, etc.

Advantages

  • Nice and sleek design
  • Attractive digital bezel
  • Advanced health tracking features
  • Waterproof up to 50 meters

Disadvantages

  • Low Battery life(48 hours)
  • No temperature sensor

5. Fitbit Versa 3: (HR and SpO2)

Image of Fitbit Versa 3

If you are looking for a Fitbit health watch at an affordable price, then the Fitbit Versa 3 is one of the best fitness trackers for you. It comes with many health tracking features such as real-time heart rate monitoring, active zone minute tracking, SpO2, sleep monitoring, and much more. 

Fitbit Versa 2 also has these features, but it does not have a built-in GPS. The built-in GPS in Versa 3 makes it one of the best health monitor watches that equally tracks indoor and outdoor activities. 

Female health tracking and calorie tracking are other key features available on Versa 3. When it comes to activity tracking, it tracks more than 20+ activities, including step count, walking, running, biking, etc. The built-in GPS gives you more accurate insights into your outdoor activities. 

Both Fitbit Versa 2 and Versa 3 are waterproof up to 50 meters. So, you take this smartwatch while going for a swim.

The smart features are similar to the Fitbit Sense and Fitbit Versa 3. It allows you to get smartwatch notifications on your wrist without grabbing your smartphone. The reminder, alarm clock, music app, Fitbit Pay are a few other features to mention on this fitness watch.

Advantages

  • Premium look
  • Guided breathing
  • Active zone minutes
  • Fitbit Pay
  • Long battery life(6 days)
  • Music streaming and music storage

Disadvantages

  • SpO2 and temperature feature limited some countries.
  • Goal-based activity tracking
  1. Is there a watch that monitors blood sugar?

    As of now, there is no clinically validated fitness tracker or smartwatch to track blood sugar levels. However, we have some reasons to believe that there will be a sensor to track blood sugar on the upcoming Apple watch Series 7 and Galaxy Watch4 or Active 3.

  2. Is there a Fitbit for diabetics?

    No Fitbit wearables track blood sugar or blood pressure. Future Fitbit wearables may have this feature.

  3. Can Apple Watch detect blood sugar?

    As of now, none of the Apple wearables tracks blood sugar. The next Apple Watch, the Apple Watch Series 7, might have this feature.

  4. What is the best health watch to buy?

    Samsung Galaxy Watch3 is the best health tracking smartwatch for android phone users. It comes with heart rate monitoring, sleep tracking, ECG. SpO2, B.P, female health-tracking, fall detection, and emergency SOS.

Conclusion

These are some of the best health tracking smartwatches available in the market today. The ECG watches mentioned here clinically tested by the FDA and thus more reliable than other smartwatches available on the market.

The SpO2 features on the smartwatches are accurate even if not validated by a health authority like the FDA. Likewise, if you are looking for an FDA Approved smartwatch, you should go for Omron heart guide, the only wrist-based FDA-approved B.P monitoring watch. 

Even if you can not replace any medical-grade equipments, these best health tracking watches will give you an overall idea about your overall health and fitness. 

Saneesh VS is a Registered Nurse by Profession and Wearable Tech Enthusiast by Passion. He loves to write about fitness, smartwatches, and fitness trackers. He also loves reading books on wearable tech, technology in healthcare, artificial intelligence etc., which he has been writing for the past 5 years.

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