High blood pressure, or hypertension, affects an estimated 1.3 billion people worldwide, according to the World Heart Federation, and it's the number one risk factor for death on a global scale. The American Heart Association estimates that half of adults in the US have high blood pressure, with a large proportion not even knowing they have the condition. There are effective means to treat high blood pressure, but it's not always easy to detect and monitor. Blood pressure watches offer a convenient, non-invasive way to keep track of your cardiovascular health on the go so you can consult with your healthcare provider. With WatchOS 26, Apple launched its new Hypertension Notification feature that makes newer models of the Apple Watch one of the best ways to monitor your heart health with minimal effort. YHE offers a very accurate assortment of blood pressure watches starting at just $129, while the Samsung Galaxy Watch Ultra is at the high end with a price of $425 still doesn't support detection in the US. Whether you're managing hypertension, staying proactive about your wellness, or simply curious about your vital stats, these innovative smartwatches combine style, functionality, and accuracy. Also: Best Android smartwatches: Expert tested