This thesis is entitled "Interpersonal Communication Analysis of Users of the Bumble Radius Dating Application 10-20 Km from Muhammadiyah University Ponorogo with Vulnerable Ages 18-24 Years". The bumble application is designed as an online dating application with the aim of making it easier for users who want to find partners and friends. Bumble can attract many users because the application has many features that are not available in other applications. The uniqueness of the Bumble app is that it tries to challenge outdated heterosexual norms. The purpose of this research is to determine the interpersonal communication process of users of the Bumble Radius Dating Application 10-20 Km from Muhammadiyah University Ponorogo with people aged 18-24 years. This research uses descriptive qualitative methods with social penetration. From the research results it was found that all informants experienced a process of social penetration.