Social media platforms are interactive digital tools that enable users to create, share, and engage with content within virtual communities and networks. They facilitate the exchange of ideas, information, and personal messages, fostering connections among individuals and groups. The main aim of this study is to compare how social media platforms influence consumers purchase decisions and to identify the best social media platforms consumers prefer the most in purchase decision. In this study 90 respondents were selected using the convenience sampling method. Primary data and secondary data were collected for this study, and SPSS software was used to analyze the data. The study found that there is a highly significant relationship between the respondents' area of residence and the influence of social media platforms on purchase decisions. In conclusion, most of the consumers are influenced by the social media platforms in purchasing decisions.