With new fitness trends emerging every new day, one that continues to dominantly stand out is the usage of fitness tracking devices to monitor calories burnt as well as track one's heart rate. Rapid technology development in motion sensors has further enriched the results of wearable tracking devices. Nowadays, there are increasing demands for wearable tracking devices due to increased prevalence of lifestyle diseases. The question is how accurate are these devices? The age-old practice to track one's resting heart rate by placing a finger on a pulse point inside of the wrist; which helps count each pulse within a