New Delhi, July 30 -- Smart rings and smartwatches have become increasingly capable of tracking health, with stress monitoring now a core feature on both. They rely on many of the same physiological signals to estimate how your body responds to physical and mental strain. But when stress begins to build, they may not recognise it at the same time.

That difference comes down to more than just the sensors. Where those sensors sit on your body, how frequently they collect data, and the algorithms that interpret that information can all influence how quickly a wearable detects changes in your stress levels.

So, if your stress levels begin to rise, which wearable is more likely to notice it first? We compared how smart rings and smartwatches...