The main object of this review paper is to describe and review on online food ordering system (app). The first aims to provide a review on online food ordering applications and the foodservice business sector. This study research method with data collected along with physical interviews with F&B business owners based on their knowledge, attitudes, and perspectives on online food delivery applications. The findings in this review paper are which applications are popular among each other. The main comparison between Food panda, Swiggy, Zomato, and Faasos. There are comparisons behalf on the internet, physical interviews, and past literature reviews. Currently Indian Online food market is$350billion. Food business in a broad area, and online food delivery apps are just part of it. From this review paper, we would understand the drivers of online food applications. Different services are given by application that makes consumers happy and satisfied with online food ordering application. In this review paper, we have an idea of which online food ordering application is most popular.