The best smartwatches for keeping track of your health – Android Authority

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Thanks to the advances in wearable technology, smartwatches with capable health monitoring features are more accessible than ever. More devices are packing specialized sensors to keep track of your heart, blood pressure, and more. But which are the best smartwatches for health monitoring and tracking your wellness? We detail our recommendations below.
Plenty of modern smartwatches pack almost every health monitoring feature imaginable, but not every device provides the specific focus some people need. For instance, while blood oxygen sensors are near ubiquitous, not every smartwatch packs a reliable medical-grade sensor, and some devices are better at tracking specific factors than others.
With this in mind, you’ll need to identify precisely what facet of your health you want to track. If you’re concerned about your heart health, consider a device with an ECG and a reliable heart rate monitor. What about stress and energy management? Consider a device that either has a dedicated stress sensor or takes heart rate variability into account.
Whatever you’re concerned or curious about, you’ll find a recommendation that fulfills your needs below.
See also: The best fitness trackers you can buy
The Apple Watch Series 8 may look a lot like its predecessor, but it brings one great feature for those who menstruate. The new skin temperature sensor informs Series 8 devices of body temperature changes. This data powers improved period predictions and retrospective ovulation estimates. In simpler terms, the Apple Watch Series 8 and Apple Watch Ultra are the best smartwatches you can buy if you want to track menstrual health.
In addition, the Apple Watch Series 8 also includes an electrocardiogram (ECG) sensor, a reliable heart rate sensor, blood oxygen monitoring, and sleep tracking. It’s also a great smartwatch, especially if you’re entrenched in the Apple ecosystem.
This strength may be a weakness for some. Those running Android smartphones can’t benefit from the skin temperature sensor or improved menstrual tracking. While Fitbit’s newer smartwatches monitor skin temperature, this data isn’t used for cycle tracking.
Our verdict: Apple Watch Series 8 review | Apple Watch Ultra review
Speaking of Fitbit, the Sense 2 has plenty of tricks. In addition to the ECG sensor and skin temperature monitor, it now includes a continuous electrodermal activity (cEDA) sensor. This sensor records the changes in the skin’s electroconductivity due to the salts contained in sweat. These readings then inform Fitbit’s body response feature, which automatically gauges stress throughout the day. At the same time, the Stress Management Score provides a more understandable overview of a user’s stress levels. Finally, Fitbit bakes a mood tracker, making the Sense 2 a more intuitive reflection and relaxation smartwatch. When it’s time for bed, Fitbit’s detailed and useful sleep tracking steps up.
Speaking of, there are plenty of features (or lack thereof) to dislike about the Sense 2. It’s a dumber smartwatch than its predecessor, lacking Google Assistant support, Wi-Fi support, and third-party app support. Some features also remain locked behind the Fitbit Premium paywall.
Our verdict: Fitbit Sense 2 review
The Galaxy Watch 5 is the best Wear OS smartwatch you can buy right now, and it’s the only one on this list packing a bioelectric impedance analysis (BIA) sensor. The sensor can measure the body’s composition using electric microcurrents, gauging skeletal mass, muscle mass, water retention, and fat mass. These details are beneficial for those looking to build muscle or lose weight.
Samsung has also included blood pressure monitoring smarts on the Galaxy Watch 5; however, it’s not without issues. You’ll need a portable blood pressure cuff to calibrate the feature and recalibrate it every four weeks or so. Sure, it saves users from lugging their cuff to every event, but it’s not as seamless as other health monitoring features. The feature’s also exclusive to Samsung smartphones.
The Galaxy Watch 5 is a great smartwatch and includes reliable sleep tracking, SpO2 monitoring, heart rate tracking, and an ECG.
Our verdict: Samsung Galaxy Watch 5 review | Samsung Galaxy Watch 5 Pro review
The ScanWatch is a hybrid watch that packs far fewer smart features than the other devices on this list. However, it makes up for this with clinically validated sensors. This includes a medical-grade pulse oximeter to measure oxygen saturation levels in the blood. It also joins a medical-grade ECG sensor which can scan for signs of atrial fibrillation (AFib) or irregular heartbeats. ECG data can also be exported or printed to present to a medical professional if need be.
There’s also a nifty set of features for those who struggle to breathe. A Respiratory Scan feature considers heart rate, respiratory rate, and blood oxygen levels to help users understand if they experience potential breathing disturbances overnight. These details are also presented in graph form, informing users of any potential sleep apnea issues.
Our verdict: Withings ScanWatch review
Finally, the Garmin Venu 2 Plus is worth a mention for those particularly interested in monitoring their energy reserves during the day and their recovery overnight. This is thanks to Garmin’s nifty Body Battery feature that combines heart rate variability, stress, and activity data to calculate the user’s energy reserves. A number between 1 and 100 is generated, with 100 being the maximum energy. It’s an excellent and surprisingly accurate measurement of energy levels.
While the Garmin Venu 2 Plus is not the only Garmin watch packing this feature, we think it’s Garmin’s best smartwatch on the market.
Our verdict: Garmin Venu 2 Plus review
If you’re looking for more recommendations, find our list of honorable mentions below.
Unfortunately, no. No big brand smartwatch can monitor blood sugar levels just yet.
Smartwatches are not medical devices and therefore should not be used for diagnosis. However, their data could be valuable for spotting potential problems. If you’re feeling unwell, contact a doctor.

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