Essence Boediman.Jr Barbershop is one of business offers haircut services in Caturtunggal, Kec. Depok Sleman District, Daerah Istimewa Yogyakarta 55281, Indonesia. Boediman.Jr Barbershop which currently still use manual queue method, in the process is required to take the queue number first at the service location then wait for the queue number to be called. So in that span of time, most of the customer activity is waiting which results in saturation. Queuing is never an enjoyable activity to customer. The uncertainty of the serving time and the inability to perform other activities while waiting in line is a major factor that causes people to avoid any queuing process. The result of this research is a customer queuing system that is connected real time through the internet network. With this application, the queue process can be done online which makes it easier for the customers to wait in line so that the customers can maximize their time rather than wait. The existence of the notification feature so that when the queue number is called, the customer gets a reminder in the form of notification on android