Smartphone technology has rehabilitated everything from taxi reservation to food ordering. People, especially the millennial generation, prefer to use high-end mobile apps ordering food from their preferred restaurant. Food is just a tap away, thanks to mobile apps. Many factors have influenced and impacted the reasons for online food ordering service and to name a few, most essentially the convenience factor, loyalty programs, social media and digital menu(customization). With on-demand popular food delivery apps like Swiggy, Food Panda, Zomato, Ubereats, etc., and people can have food delivered at their doorstep without conceding on the quality of food and their hectic schedule. This paper tries to understand the influence of demography of the people espousing to this technology. The impact of demographic factors on online food ordering behavior can be understood in this paper. The study also attempts to understand the intention of the customer to use such apps.