Smartwatches and fitness bands are increasing in both quality and quantity for the past few years. Smartwatch sales increased by 20% in the first half of 2020, which could be attributed to Covid-19. However, more and more people are preferring smartwatches compared to traditional premium watches.
The fitness tracking features on these devices especially the Apple Watch, Fitbit Versa/Sense, and Galaxy Watch have been praised extensively. These can count steps, track different kinds of exercises, and even output ECG in the case of the Apple Watch (series 4 onwards). The next step for these companies is to include a way to track Blood Pressure and Blood Glucose levels, and it seems the latter is finally happening.
According to a report from Gizmochina, Samsung and Apple may introduce a non-conventional way of calculating and monitoring Blood Suger level with their upcoming smartwatches. The Glucometer inside the watches will probably be based on an optical sensor. Both companies have secured patents on their respective technologies and are working on increasing the stability and precision of the optical sensor.
Spectroscopy may be used to figure out the Blood Glucose level. When electromagnetic waves hit a molecule it scatters into different wavelengths which can be used to figure out the nature of the molecule (Glucose in this case). It is not sure how these companies will implement the technique, but it seems both are at the end of the development. If implemented correctly, it would be life-changing for Diabetic individuals. Current methods require them to prick their fingers for blood, which is then used to calculate Blood Suger level.
Both companies would want to introduce the feature as early as possible. Reports suggest that the upcoming fitness watches (Galaxy Watch 4 and Apple Watch Series 7) from both companies may support Blood Glucose monitoring.