Journal Abstract - “Kembaliin” is a mobile application specifically designed to assist urban communities in solving problems of lost and found items in public places online. The design model of application functions as an intermediary media and liaison in facilitating the need for information exchange between the lost (victim) and the party that finds the scattered objects (the helper). The purpose of this study is to apply the Hooked Model as a communication strategy to build users habit. This research uses a descriptive method with qualitative approach. This study describes the practice of communication strategies consisting of three main essences, namely implementation strategies, support strategies, and integration strategies that will frame the practice of communication strategies with several quality standards. The results of this study is the Hook Model Canvas of “Kembaliin” mobile apps.