11 Best Smartwatches with Oximeter: (New Arrivals!)

Oximeters are tiny devices that determine the amount of oxygen binding to the person’s red blood cells (RBCs) by clipping to the finger. Many fitness-loving people and doctors use an oximeter to determine a person’s fitness. Not all people understand the cruciality of having an oximeter.

With an oximeter, one can determine the heartbeat and oxygen-binding rate. In fact, for older people and people with certain health conditions, having an oximeter is pretty mandatory. 

However, these days oximeters have become accessible more than ever. The features in a smartwatch have become more diverse than ever.

A compact smartwatch can hold as many specifications in them as you could ever imagine. Besides calling, messaging, and video-watching features, the latest smartwatches are equipped with the oximeter feature.

But before knowing further about different smartwatche swith an oximeter feature, it is essential to know the importance of a smartwatch, how an oximeter functions in a smartwatch, and how precise these readings can be.

Importance Of An Oximeter

It is not an unknown fact that oxygen is one of the most important elements of life. A healthy person must have at least 95% of oxygen saturation. Falling beneath 90% can indicate that a person is unhealthy.

And if these oxygen levels drop to dangerous levels, a person can suffer from a heart attack or a brain hemorrhage within three minutes. 

Moreover, for patients, oximeters have even become more crucial. For instance, thalassemia patients can suffer from a certain drop in oxygen levels at any time.

Besides that, people going to the gym can also suffer from a certain drop in oxygen level. Therefore, an oximeter is something that every person is concerned with fitness and health needs.

An oximeter can determine even the slightest change in the oxygen saturation levels. Thus, if a patient strikes dangerous levels of deoxygenation, then an alarm will start beeping on it and will inform about the emergency.

How Does an Oximeter Work In a Smartwatch?

‘reflectance oximetry’ provides SPO2 readings in a smartwatch with an oximeter. The smartwatches detect these readings by estimating the light emitted from the blood beneath the skin. More light emission indicates proper oxygenation, while low light readings predict deoxygenation of blood.

The results of these readings are displayed on the screen of the watch.

Moreover, one can even connect their watch with a smartphone and thus have a detailed view of the oximeter readings. The smartwatches having oximeter and ECG measuring features are FDA-approved. Therefore, if you find any such smartwatch where the oximeter isn’t certified, it is better to avoid purchasing it. 

However, the oximeter in a smartwatch isn’t as good as the medical-grade oximeters. They are just meant for regular check-up purposes. But if you want a detailed report regarding blood oxygenation, it is better to get a detailed check-up and testing from a clinic.

How Accurate Are these Oximeter Readings?

The accuracy of the SPO2 readings depends upon the saturation of oxygen in the blood and the quality of the smartwatch Ox sensor. The accuracy of the oximeter is highest above 90% saturation.

It becomes mild above 80% saturation, and when these levels drop below 80%, these measurements start to become a little farther from precise.

However, not all smartwatches have a functional oximeter. Some of these oximeters are known to give faulty and imprecise readings.

Therefore, if you plan to invest in a functional smartwatch with an oximeter, check out the following context; in this article, you will find the list of 11 top-rated smartwatches with an oximeter.

In A Hurry! Here Are Our Top Picks…

11 Best Smartwatches with Oximeter

1- Apple Watch Series 7

Apple Watch Series 7 


OS Watch OS
Compatibility Only iOS
Display LTPO OLED, Touchscreen, Digital Crown
Internal Storage 32 GB
IP Rating 50m
Battery Life 18 hours

The Apple Series 7 smartwatch is undoubtedly the best smartwatch with an oximeter on this list. The Apply company has always been known for its finest products, which is no different.

This smartwatch has absolutely everything those typical iPhones have. The LED screen of this smartwatch is undoubtedly the biggest.

Besides having a functional oximeter, this smartwatch is equipped with all the necessary health and fitness feature that helps you to stay active and fit. 

With built-in cellular you can make calls and reply to text without connecting your watch with your smartphone. GPS 5.0 and Bluetooth services are also present in this smartwatch. Certain applications can also be installed on this smartwatch. You can also connect your smartphone with this watch and thus, broaden its features.

An extensive memory of 32GB can allow you to store up to 8000 songs. Besides that, with its extensive connectivity modes, you can connect your smartwatch with multiple devices.

Moreover, it is crack-proof, water-proof, and dust-resistant. Therefore, this smartwatch is capable of withstanding harsh environmental conditions easily.

How Good is the Oximeter of this Watch?

Talking about the oximeter of this watch, then quality and functionality-wise, it is again great. This smartwatch has one of the best oximeter sensors. This smartwatch has photodiodes used to measure the saturated oxygen in the blood.

With this smartwatch, you cannot only measure the amount of oxygen being absorbed by the blood, but it can also help you measure how much oxygen is delivered to your body.

During oxygenation measurements, the LED lights at the back of the watch turn on, and the results are then visible on the LED screen.

Final Verdict

Price-wise, the Apple Series 7 watch might be expensive, but it is utterly worth its value when it is about its features and quality. The amount of features this watch has is undoubtedly incomparable.

However, one of the most reported problems with Apple products is their battery life. This smartwatch also has only 18 to 22 hours of short-term battery life. Apple tried to overcome this fault by introducing a fast-charge mode in the watch, but it would have been the best if the battery had been longer.

  • Precise Oximeter and ECG sensor.
  • Pre-installed Apple Pay and Apple Fitness+ feature.
  • Built-in GPS and health applications.
  • QWERTY Keyboard.
  • Efficient Sleep Monitor.
  • A larger screen and better display.
  • Available in 12 versatile colors.
  • The battery life is inefficient.
  • Too much expensive.

2- Apple Watch Series 6

smartwatch with oximiter 


OS Watch OS
Compatibility iOS 12.0+
Display 1.78 inch, LTPO OLED, Touchscreen, Digital Crown
Internal Storage 32 GB
IP Rating 50m
Battery Life 18 hours

Product Description

Apple Watch Series 7 is followed by its predecessor Series 6 for the best smartwatch with an oximeter. This smartwatch also has an extensive smartwatch memory of up to 32GB and runs on a 64-bit dual-core processing unit.

The specifications of series 6 and 7 smartwatches might look similar, but in reality, there exists a sheer difference between the two smartwatches. These differences are what make series 7 better than this one.

The LED display of this watch is slightly smaller than that of the series 7. Moreover, the successor is also more advanced in durability and security features.

 Apple Watch Series 6 shares the same range of applications as Series 7. This smartwatch even has a voice assistant and an elevation tracker.

Apple Pay and Apple Fitness+ features remain consistent in this smartwatch series. One can even take a heart rate test using the ECG monitor of this smartwatch.

This smartwatch claims to have a 30% bigger display than the Series 3 watch and is 20% faster than the Series 5 smartwatch. But it does not have a QWERTY keyboard as the series 7 one has.

In terms of connectivity, this smartwatch is excellent. From GPS to BlueTooth and Wi-Fi, this smartwatch has every feature.

One can even connect the smartwatch with the mobile and then comprehensively study its features. Furthermore, this smartwatch also has 32GB of extensive memory, which allows you to store multiple applications and songs.

How Good is the Oximeter of this Watch?

In terms of oximeter quality, no difference exists between the Apple Series 7 and Series 6 smartwatch. This smartwatch has the same Ox sensor as that of the series 7. Using photodiodes, the smartwatch detects the oxygenation level of the blood.

While the reading is taken, the LED lights at the back of the smartwatch glow. Once done, the results are displayed on the screen. Besides oxygenation level, it also determines the level of oxygen the person has received. If these levels drop to dangerous levels, the alarm goes off on this smartwatch.

Final Verdict

This smartwatch comes in 5 colors, with the red one being the premium color. The Apple Watch Series 6 possibly has every feature that a smartwatch is known to have currently.

However, the battery of this watch is as short as the series 7 one. It only lasts up to 18-20 hours, which might be troublesome for some users. But for, users seeking extensive memory in a smartwatch, which is pretty rare to find, should try this Apple Watch as it has an elaborative memory of up to 32GB.

Moreover, it is a pretty sturdy smartwatch made with tough glass that is almost crack-proof. Price-wise, this one again is a pretty expensive watch that cashes out for its elaborate features and brand name.

  • Come in 5 colors.
  • Extensive 32GB memory.
  • Multiple connectivity options.
  • ECG and Ox sensor included.
  • Supported with Apple Pay and Apple Fitness+.
  • Screen 30% bigger than the Series 3 watch.
  • Processor 20% faster than Series 5 watch.
  • No QWERTY keyboard.
  • Short battery life.
  • Pretty expensive.

3- Garmin Venu GPS Smartwatch



OS Garmin OS
Compatibility Both Android and iOS
Display 1.2 inches, AMOLED, Touchscreen
Internal Storage 4 GB
IP Rating 50m
Battery Life 5+ days

Product Description

Garmin is known for manufacturing some solid smartwatches, which is no different. This watch’s infrastructure is utterly different from the Apple series. It is loaded with multiple specifications. However, these features aren’t as elaborate as the Apple watches.

Moreover, its memory is also not that large compared to the top two watches.

It has only 4GB of memory, but it is crucial to know that it is enough for a smartwatch. It is not a smartphone whose memory has to be large. For a typical smartwatch, 4GB memory is sufficient. Within this memory, you can easily store up to 1000 songs.

Furthermore, if you analyze the watch for its price, it is one of the best smartwatches. Its battery life is also pretty appreciable. It can easily run constantly for up to five days.

This smartwatch has an AMOLED display, which provides broader viewing angles and offers more flexibility than typical LED displays.

Garmin Venu also has 20 pre-loaded GPS apps and features tons of other applications. Besides having a sleep tracker, stress sensor, and sports applications, it also has an oximeter and a built-in tracking feature.

It also comes with pre-installed music applications like Spotify, Deezer, and Amazon Music. However, one will need to pay a subscription for using these apps.

Besides that, this smartwatch can easily store up to 1000 songs in its 4GB memory. For a smartwatch, this memory seems pretty good. It can also be wirelessly attached to headphones or wireless earbuds and thus, allow you to enjoy hand-free optimistic listening.

How Good is the Oximeter of this Watch?

The oximeter of this smartwatch is also pretty functional. It calculates the level of oxygenation in the blood using the SPo2 method. The results of these readings are displayed in the form of the SPo2 percentage. The SPo2 method is the same as that of Apple’s photodiode method.

The watch detects the light from blood in vessels beneath the skin. The intensity of light then determines the extent of oxygen saturation in the blood. However, unlike the Apple watch series, this one does not estimate the amount of oxygen that reaches one’s body.

Final Verdict

This smartwatch is perfect for anyone seeking a sturdy smartwatch with extended battery life. Moreover, its price range is extremely affordable. It is currently tagged below $400. Therefore, this smartwatch with a heavy load of features is utterly perfect for such a low price.

Besides that, this smartwatch is also water-proof and dust-resistant, which ensures that this smartwatch is ideal for long-term use. However, this smartwatch has not an ECG sensor or blood pressure monitor.

Thus, if you want to buy a smartwatch to keep track of health progress, you should consider that this watch does not have utter health and fitness features.

  • This smartwatch comes in 4 versatile colors.
  • Has an oximeter SPo2 sensor.
  • Flexible connectivity features.
  • Health and fitness applications.
  • AMOLED display.
  • Pre-installed music applications.
  • Extensive battery life.
  • Not extensive memory.
  • No ECG sensor and blood pressure monitor.
  • No information about the processor is provided.

4- Noise ColorFit Pro 3 Smartwatch



OS Proprietary OS
Compatibility Both Android and iOS
Display TrueView 320 x 360 pixels display
Internal Storage N/A
IP Rating IP68
Battery Life 10 Days

Product Description

Noise ColorFit Pro 3 smartwatch is a basic smartwatch with all primary health and fitness applications. With a sustainable battery life that can last up to 10 days, this smartwatch is perfect for those seeking a long-run durable performance.

This smartwatch has a brilliant TrueView display. However, it is crucial to mention that it is not an AMOLED display like the earlier one. Moreover, it is also water-resistant but only up to 50 meters.

The manufacturers claim that a person can even shower wearing this smartwatch but are advised not to sink in deep water. 

Those are also pretty elaborate when it comes to features it has. You get to have the SPo2 sensor, sleep tracker, heart rate monitor, accelerometer, and activity tracker within this smartphone.

The tracker can also function as a pedometer, and thus this watch can also measure one’s blood pressure (BP). But it does not have an ECG check-up feature. Besides that, this smartwatch also comes with multiple health and fitness applications. 

It allows cellular connectivity and can be connected to other devices using the BlueTooth feature. USB can also be attached to this smartphone. You can also control the watch via downloading the Noise ColorFit application on your smartphone.

How Good is the Oximeter of this Watch?

Noise ColorFit Pro3 also uses a SpO2 sensor to measure oxygen saturation in the blood. It has a photodiode at the back of the watch that catches light beneath the skin from the blood and then shows readings correspondingly. The readings are displayed on the screen in the SpO2 percentages.

However, some customers have reported a few drawbacks in this oximeter, especially its readings. But these problems are not consistent through every product.

Final Verdict

This smartwatch might not have extensive features or an impressive memory, yet it is pretty decent. The battery life of this watch is something that always attracts customers. Moreover, this smartwatch is undoubtedly a real steal for its minimal price.

With its Noise Fit app, one can also enjoy a range of classified workouts and other health maintenance regimes. Besides that, this smartwatch also allows you to enjoy typical mobile features like calculator and alarm features.

This watch is also secured with a warranty of up to one year, making it a more secured product.

  • This smartwatch comes in 4 colors.
  • Super battery life of up to 10 days.
  • Sleep and Activity Tracker.
  • Allows measuring heartbeat rate, oxygen saturation in blood, and blood pressure.
  • Pre-installed NoiseFit App.
  • Water-resistant.
  • One-year warranty
  • No memory card.
  • No Wi-Fi connectivity.
  • ECG features are absent.
  • A few drawbacks are reported in the oximeter

Buy on Amazon

5- Garmin Venu Sq Smartwatch



OS Garmin OS
Compatibility Both Android and iOS
Display LCD
Internal Storage 3.4 GB
IP Rating 5 ATM
Battery Life 6 Days

Product Description

Another Garmin product has been made into our list for the best smartwatch with an oximeter. If you seek a more affordable option in the Garmin series, this one needs your utter attention.

This smartwatch has a longer battery life than the Garmin Venu and can last up to 6 days. However, its memory is a little less and is about 3.4GB. It is utterly water-resistant and can withstand even harsh water incidents.

This smartwatch has a sleep, and stress tracking sensors and even comes with sensors related to women’s health. One can track the menstrual cycle and pregnancy progress with this watch.

Moreover, it also has an oximeter, energy, and activity monitor. Though this smartwatch does not come with pre-loaded music applications, it has multiple health and fitness applications.

Multiple types of workouts and sports are pre-loaded in these applications, including pilates, swimming, and golf.

Connectivity-wise it is also a great smartwatch. Wi-Fi, GPS, and BlueTooth options with additional cellular connectivity features.

The manufacturers even claim that you can run the GPS of this smartwatch constantly for up to 14 hours. One can also connect their smartphone with this smartwatch by using the Garmin IQ connect App pre-installed on the watch.  

Its other expensive version, Garmin Venu, does not have a memory feature, but this one has this feature despite being less expensive. This watch has a 3.4GB memory that can efficiently store up to 800 songs and multiple videos.

Besides that, this smartwatch also allows you to receive calls and messages notifications directly from your smartphone when connected with it.

How Good is the Oximeter of this Watch?

The Garmin Venu Sq has an oximeter that measures oxygen saturation in the blood. This Ox sensor is an oximeter pulse monitor that determines the SPo2 levels with the help of the person’s pulse rate. The SPo2 readings are then visible on the LCD of the watch in the form of SPo2 percentage.

If you want to have a detailed view of these readings, you have them on your smartphone after connecting them with your watch using the IQ Connect App.

Though this smartwatch is pretty inexpensive, its oximeter is utterly fault-proof. It is as robust and functional as the classic Garmin Venu smartwatch.

Final Verdict

This smartwatch is undoubtedly one of the most affordable yet functional smartwatches around. It has all the primary specifications that one can look for in a smartwatch.

However, it is essential to mention that the display of this smartwatch is not AMOLED like the Garmin Venu one. Instead, it is a simple LCD screen. But at such a low price, this factor seems to be compromisable. 

Besides that, this smartwatch also features special women sensors such as a menstrual cycle tracker, which can prove extremely helpful for women in keeping track of their health. Moreover, this smartwatch’s health and fitness monitors are also pretty good.

This smartwatch also comes in various versions, such as having a GPS navigator or tracker. However, those features are not included in the smartwatch alone.

  • This smartwatch comes in 17 different colors and styles.
  • Features Heart Rate Monitor, Oximeter, Activity Tracker, and Energy Sensor.
  • Has a special Pregnancy and Menstrual Cycle Monitor for Women.
  • Pre-installed Garmin Pay and IQ Connect applications.
  • An extensive battery that can last up to 6 days.
  • Has 3.4GB of usable memory
  • Typical LCD instead of Garmin’s signature AMOLED.
  • No pre-installed music applications.
  • No ECG monitoring.

6- Mintsin Smartwatch



Compatibility Both Android and iOS
Display LCD screen
Internal Storage 4 GB
IP Rating IP68
Battery Life Cell-operated

Product Description

Mintsin smartwatch is another great pick on this list for the best smartwatch with an oximeter. It has excellent BlueTooth connectivity, messaging, and calling features. Moreover, it is also equipped with a sleep monitor, activity tracker, heart rate monitor, and oximeter.

Besides that, this smartwatch even has a usable memory of up to 4GB, which allows you to store more than 1000 songs on this smartwatch.

You can also connect your smartphone with this watch using its Bluetooth and thus, can transfer data between the two devices. The Bluetooth feature of this smartwatch is extremely useful, unlike the typical Bluetooth in mobiles and allows relatively strong connectivity among devices.

 Despite that, this smartwatch also comes with pre-loaded workout and fitness applications that one can rely on for maintaining health. It can help you monitor your walking, running, and other sports activities.

Moreover, you can also connect your smartphone with this smartwatch. However, this cellular connectivity range is limited to iOS 8.0 and Android mobiles of version 5.1 and higher.

Talking about the display, this smartwatch has an LCD screen. It might not be an advanced display, but still efficient enough for a smartwatch.

This smartwatch is also secured with IP68 water-resistant technology. The IP68 resistance means that this smartwatch can withstand any kind of water splash and incident except for hot water and seawater.

Besides that, it is a cell-operated smartphone; therefore, you won’t need to charge it from time to time. Despite that, you will be required to change the cells after a certain period.

Its messaging and calling feature makes it a very convenient watch. People with busy schedules can never miss important calls and messages while having this smartwatch.

How Good is the Oximeter of this Watch?

The oximeter of this smartwatch is the same as that of any other watch. It also takes SPo2 readings using the photodiode at the back of the smartwatch and taking light signals from the blood.

 Besides that, you will be relieved to know that all the smartwatch sensors, including the oximeter, show as accurate measurements as they can.

In terms of its oximeter, it is undoubtedly one of the best oximeters around. Besides that, you can have a detailed view of these readings by connecting this smartwatch with your smartphone using its BlueTooth feature.

Final Verdict

Mintsin smartwatch has been made into our list due to its extensive specifications. However, it does not have GPS connectivity features, which might disappoint many.

Still, for its price, it is a great smartwatch and has some applications that many other smartwatches do not offer. You can even connect your phone with the watch and thus have a detailed weather forecast over your watch.

Besides that, it is also equipped with basic features like a stopwatch, timer, clock, and alarm reminder. With these specifications, you would no longer have to rely on a smartphone for alarms and other general functions. Thus, this smartwatch is an excellent purchase for its affordable price range.

  • Call, messaging, emailing, and chatting features are available.
  • Has Sleep Tracker, Oximeter, Heart Rate Monitor, and Weather Sensor.
  • Basic features like timer, alarm, and calculator are also present.
  • Pre-installed fitness apps.
  • IP68 water-resistant.
  • Needs cell replacement from time to time.
  • No GPS feature.
  • Not seawater and hot water-proof.
  • No ECG application.

Buy on Amazon

7- Galaxy Watch 4



OS Wear OS 3.0
Compatibility Both iOS and Android
Display 1.2 inches, 396 x 396px
Internal Storage 16 GB
IP Rating 50m
Battery Life 1day+

Product Description

Finally, a Samsung product has also been made into this list for the best smartwatch with an oximeter, thanks to its detailed specifications. First, it is crucial to mention that this watch comes in two colors with two different case sizes.

The pink gold color with a 40mm case is for women. At the same time, the grey one with a 44mm case is for men. This smartwatch has some unique features that you won’t find in any other smartwatch on this list.

This smartwatch supports almost every device and connectivity mode for its cellular connectivity. You can connect it with multiple other devices using any method from eSIM, SIM, GPS to Bluetooth, NFC, and LTE.

The LTE feature of this watch deserves utter appreciation since it is not only a new feature for smartwatches, but allows the watch to connect with multiple devices, even in the absence of an internet connection.

Moreover, its display is secured with Gorilla glass, which means this smartwatch is almost crack-proof. It is also water-resistant and is specified with an IP68 certificate. However, it is essential to note that the IP68 certificate means that this watch won’t remain water-proof after being sunk in 50 meters deep water.

 They are also elaborate and pretty appreciable about their features and applications. It has a Sleep Tracker, Activity Tracker, and Auto-Workout Tracker.

Besides that, this smartwatch can measure ECG, have an oximeter, and measure heartbeat rate. This smartwatch also comes with many pre-installed applications like Google Pay and multiple music applications. It even comes with an extensive 16GB memory. Though not as large as Apple’s smartwatch, it is great according to this price.

How Good is the Oximeter of this Watch?

This smartwatch has a BioActive sensor that can measure the oxygen levels in the blood. This sensor takes SPo2 readings, just like any other smartwatch.

Its photodiode is also present at the back of the watch, and it takes signals when in contact with the skin. Samsung has made sure that this watch’s ECG and oximeter readings come as accurately as they can be.

Final Verdict

This smartwatch has some of the most versatile features and was made compared to the Apple Series watches. However, these do not have that extensive memory of specifications, but they are much more affordable than the Apple watches.

But it is still more expensive than many other watches. But some features make this smartwatch better than all, such as its LTE mode of connectivity. Moreover, the battery life of this watch is only up to 40 hours, which many people can see as a problem.

  • It comes in two colors and two case sizes.
  • Has Heart Rate Moitor, ECG sensor, and Oximeter.
  • Pre-installed Google Play, YouTube Music, and Spotify.
  • SIM and eSIM installation are available.
  • Extensive memory of up to 16GB.
  • Gorilla glass case protected watch.
  • Water-resistant.
  • Quite expensive.
  • Not water-proof after 50 meters depth.

8- Amazfit Band 5 Smartwatch



OS Proprietary – Amazfit OS
Compatibility Both iOS and Android
Display 1.1 inch 126×294 pixels resolution AMOLED
Internal Storage N/A
IP Rating 50m
Battery Life 15 days
GPS No built-in GPS

Product Description

Amazon has launched its fitness franchise named ‘AmazFit.’ AmazFit has come up with a pretty decent smartwatch. And while talking about the best smartwatch with an oximeter, one can surely not skip on the infamous ‘AmazFit Band 5 Smartwatch.

This watch is visibly one of the most inexpensive watches on this list and thus, has tons of features that many other watches do not own.

It is a watch utterly designed for fitness purposes. Besides having an oximeter, this watch also has a sleep tracker, ECG sensor, multi-sport monitor, elevation tracker, and even a blood pressure (BP) monitoring. For women’s health menstrual cycle tracker has also been installed on this smartwatch.

Besides these health-related monitors and sensors, it comes with basic applications like a calculator, clock, alarm, and Amazon’s signature ‘Alexa’ voice-controlled assistant.

With this voice assistant, you are no longer required to operate this smartwatch manually. All you need to do is ask for certain tasks, and Alexa will do it for you on the smartwatch. This voice control feature makes this smartwatch one of its kind. 

Moreover, it also comes with pre-installed workout applications and Oxygen Beats through which you can have your oximeter readings. Another extraordinary feature that makes it one of its best camera features.

Talking about its memory, then it is not present at all. There is only 1MB of space on this smartwatch. However, the data can be stored wirelessly on the mobile using Bluetooth and Wi-Fi. By connecting to your smartphone, you can even an elaborative use of features of your watch on the mobile.

Moreover, this smartwatch has an appreciable battery life of up to 15 days, much better than the Apple smartwatches.

How Good is the Oximeter of this Watch?

The AmazFit Band 5 smartwatch has a SPo2 oximeter. It uses the same photodiode method for measuring the level of oxygen in a person’s blood.

If the blood level is equal to or above 95%, it is considered normal. Otherwise, it is an emergency case, and once it drops to dangerous levels, the alarm over the smartwatch starts.

Moreover, its oximeter gives close readings within seconds. You can ask for SPo2 readings by calling it out to the Alexa on the smartwatch.

Final Verdict

This smartwatch is great in terms of elaboration of features and battery life. It also has an ECG feature and a blood pressure tracker, making it one of the best smartwatches if you are seeking one for health-related purposes. You can even connect your smartphone with this smartwatch.

By doing this, you will receive notifications regarding calls and messages, take pictures on the smartphone, and then get them transferred to your mobile.

 Moreover, the number of health monitors and sensors this smartwatch has been impossible to find in any other watch. It will be your all-in-one device for keeping a close check on your health statistics.

Similarly, this smartwatch can also be used by patients with chronic or terminal diseases. Since it has all the sensors capable of indicating a fatal health emergency, it will also help you determine whether the patient’s health statistics are fine. 

However, some people have reported certain problems with this smartphone, including its strap quality. Clients also sometimes complain that this watch does not always give precise readings. Due to these reasons, this smartwatch has been dragged to the bottom of the list.

  • Available in four colors.
  • Comes with a camera.
  • Includes Pedometer, Heart Rate Monitor, ECG, and Oximeter.
  • Sleep Tracker, Multi-sport Monitor, and Elevation Tracker are also present.
  • Built-in Alexa voice control feature.
  • Brilliant connectivity specifications
  • Good battery life.
  • Extremely Affordable.
  • Strap quality is not good.
  • Alexa speaks in English only.
  • Readings and Sensors do not always work optimistically.

9- Withings ScanWatch



Compatibility Both iOS and Android
Display 1.65 inches Analog/PMOLED (monochrome)
Internal Storage N/A
IP Rating 50m
Battery Life 25days+
GPS Only connected GPS

Product Description

Whitings ScanWatch was made for the same purpose as the AmazFit, i.e., health and fitness. This smartwatch has every health feature and application that you could ever think of on a smartwatch.

You will find all of them in this watch, from an ECG monitor heart rate sensor to an oximeter. It also comes with a sleep tracker, activity tracker, stress monitor, and health tracker. 

Other than these, this watch has one specific feature that distinguishes it from the rest: the breathing sensor disturbances.

Though it works similarly to that of the Apple Watch feature, which determines the amount of oxygen reaching one’s body, it works in an utterly different way. Moreover, it is also crucial to mention that the ECG sensor of this smartwatch is FDA-approved.

It has an impressive PMOLED display and Bluetooth LE technology, making it quite an advanced smartwatch. It is also pre-loaded with more than 100 workout and fitness applications that one can take help from for staying fit and active.

This watch can also be connected wirelessly to the smartphone using Bluetooth technology. Once connected, one can transfer stuff from the watch onto the mobile, such as health reports and readings. And since this smartwatch does not have storage features, the data is stored online and lasts up to 5 days. During this period, one can transfer the required data from the smartwatch to the mobile phone or laptop.

How Good is the Oximeter of this Watch?

The oximeter of this watch works on the similar phenomenon of SPo2 readings that can be displayed on both the watch and your smartphone. The company has specifically worked on this watch’s health features, including the oximeter. That is why its oximeter gives very precise readings.

Final Verdict

With a battery that can run for more than 30 days, this one is certainly a great pick for the best smartwatch with an oximeter. However, it is only rich in health applications. Just like the AmazFit smartwatch, you can find almost every health sensor on this smartwatch.

But it is not that diverse when it comes to other features like Storage and music applications. This smartwatch has no memory storage, and connectivity modes are also less.

Moreover, not much is known about the processor of this watch. Thus, for a smartwatch currently priced over $240, having so many gaps in its specifications seems unfavorable to some customers.

  • Available in two case sizes.
  • ECG sensor, oximeter, breathing disturbance monitor, and heart rate tracker.
  • Has over 100 fitness and workout applications.
  • Brilliant display.
  • Sustainable battery life of up to 30 days.
  • No memory space.
  • Not much information about its processor is given.

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10- Cosby Smartwatch



OS Nordic 52832
Compatibility Both iOS and Android
Display IPS Color AMOLED display
Internal Storage N/A
IP Rating IP67
Battery Life 20 days

Product Description

Cosby smartwatches come in three versions. Out of them, we are discussing the one with the most features here. This watch also has an extensive set of specifications. Its most notable features include an oximeter, weather sensor, sleep tracker, and a heart rate monitor. Multiple helpful workout applications are pre-installed on this smartwatch.

However, it is pretty extensive and can last up to 20 days in battery life. Moreover, with its application installed on your smartphone, you can efficiently connect this smartwatch with your mobile.

It has such a strong connectivity feature that you can even receive notifications from your mobile phone on this smartphone and can even decline or skip them. 

It is also IP67 water-proof, and the manufacturers claim that you can even take a bath or shower wearing this smartwatch. However, it is advised not to get this smartwatch in touch with seawater, as it can potentially damage it.

How Good is the Oximeter of this Watch?

The oximeter of this smartwatch is an average tool used for measuring the levels of oxygen percentage in a person’s body. The results are in the form of SPo2 reading and are displayed simply on the front screen of the smartwatch. If these readings indicate that the person is unhealthy and thus, reaches dangerous levels, then notifications go off on the smartwatch and connected devices.

Final Verdict

This is a pretty typical watch with a few decent features that work optimistically. There is no memory card, and connectivity options are also few. Therefore, it is not the right watch for you to seek next-level features.

It might be an ideal smartwatch for anyone who wants a basic smartwatch within a limited price range. And when it comes to the quality of its sensors, you would be glad to know that this smartwatch has some simple applications. It might not be that diverse in having multiple features, but they are precise and to the point whatever features it has. Therefore having such optimum specifications is not a bad choice for its minimal price range.

  • Come in three versions and colors.
  • Has Heart rate monitor, Sleep Tracker, Oximeter, and Weather Sensor.
  • Receive calls, messages, and notifications.
  • Brilliant AMOLED display.
  • Water-proof.
  • No memory storage.
  • Not seawater-proof.
  • All features are pretty basic for a smartwatch.

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11- KOSPET Rugged Smartwatch



OS nRF52832
Compatibility Both iOS and Android
Display LCD
Internal Storage 32 MB
IP Rating IP68
Battery Life 50 days

Product Description

KOSPET is finally the last smartwatch with sufficient features to make it into this list for the best smartwatch with an oximeter. If you are such a person who seeks a smartwatch with long-run performance, then this one is ultimately for you.

This smartwatch can easily run up to 50 days. It is also equipped with certain health monitors, including the heart rate sensor, oximeter, and sleep tracker. It has also been pre-loaded with tons of fitness and workout applications to help you achieve your desired fitness level.

This smartwatch has only a BlueTooth feature when it comes to connectivity modes. However, this BlueTooth is strong enough to allow you to connect the smartwatch with your phone.

By connecting the watch to the phone, you can control the smartwatch and transfer desirable stuff. But for doing that, you will also need to install KOSPET’s described connectivity application. 

This smartwatch is also water-proof, shock-proof, and dust-proof. The company claims it has such solid construction that you can even wear this watch during extreme conditions. These specifications indicate that this smartwatch is made with sturdy quality materials and is perfect for long-term use.

How Good is the Oximeter of this Watch?

This smartwatch has a pretty average oximeter that takes SPo2 readings using a photodiode. The photodiode straps are connected at the lateral sides of this smartwatch.

The readings are then displayed on the SPo2 sensor of the watch and can also be transferred onto your phone by connecting the smartwatch with the smartphone. However, some clients have reported that sometimes this sensor gives faulty readings.

Final Verdict

Overall, this smartwatch is a pretty good deal at its minimal price range. If you want a smartwatch having primary features within a limited price range, then this one needs your attention. Moreover, it might not have an extensive range of multiple features, yet its limited features are pretty optimistic for their quality and functionality.

  • Have Sleep Tracker, Oximeter, Heart Rate Monitor, and Fitness Tracker.
  • Pre-loaded with multiple fitness applications.
  • Excellent battery life.
  • Water-proof, dust-proof, and shock-proof.
  • Good BlueTooth connectivity.
  • Only 32MB memory space.
  • A single connectivity mode.
  • Sometimes, the oximeter gives faulty readings.

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Frequently Asked Questions (FAQs)

Are the oximeters in smartwatches as good as the medical-grade ones?

Not at all. The oximeters in a smartwatch are not meant for medical purposes, as they are not the same as that of the medical-grade tools. They do not go into details like professional medical tools do and are not as accurate as them all the time.

Therefore, never consider an oximeter of a smartwatch as good as that of the medical pulse-oximeter. Always consult your doctor for check-up purposes and do not rely on such minimal applications for such crucial purposes.

For what purpose is an oximeter used in a smartwatch?

An oximeter is used in a smartwatch for keeping a close eye on the fitness statistics of a person. Moreover, it is also used to verify the health of older people, especially patients. These oximeters in smartwatches are very sensitive.

They can efficiently detect abnormal oxygen saturation in blood in seconds. By having them for patients, one can prevent serious situations. However, it should be noted that an oximeter in a smartwatch is not meant for medical check-up purposes. It is present to check fitness and report emergencies. 

Do oximeters in a smartwatch need to be certified?

The oximeters in typical smartwatches aren’t mandatory to be certified. Those are ECGs in the smartwatches that need specific certifications such as FDA approval. Moreover, if the oximeter is a medical-grade tool, it will require certifications.

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