This research study compares social media marketing and email marketing on the basis of customer engagement. It looks into a number of metrics, which reveal that email generally performs better than social media across most indicators. Email marketing generates higher click-through and open rates, which translates into better ROI. Social media, in turn, scores higher on brand awareness and content engagement. According to the study, the two approaches together can enhance customer engagement. This study assists marketers in leveraging digital approaches and managing customer relationships more efficiently.