The competition of retail business is getting tighter and encouraging the retail entrepreneurs to create innovations in running their business because as time goes by the society’s purchasing behavior style shifts compared back to the time when people used to purchase offline. Along with the vast and drastic development of the internet, many people shift to shop online. This research aimed at exploring and analyzing trust affecting the interest in purchasing on the use of the online application by PT. Ramayana Lestari Sentosa, Tbk. This research employed 30 respondents who were the people who have owned and downloaded the online application. The data collection was conducted by indepth interviews and data analysis method using a content analysis. The conclusion from this research was that trust becomes one of the factors in affecting the interest in purchasing through the online application.

Keywords : Trust, Purchase Intentions, Online Application, Retailing, Application Access, Reputation of Application, Product Variation, Product Information.