Resumen
Nowadays, the rapid advancement of mobile software development has triggered to emerge of more online text messaging applications. In the environment of higher education institutions, it is also widely utilized to support the communication process between campus members. This research proposed a system of campus-specific online text messaging that is expected to improve academic activities. As a case study, the system was implemented using React Native framework and Push Notification Service for use in State Polytechnic of Malang, Indonesia. The system consists of three main subsystems that work together, including Client Application, Server Application, and Push Notification Manager. To evaluate the proposed system, we conducted a survey. The result of the user satisfaction test shows that most users consisting of lecturers, staff, and students felt more helped in the communication process in the campus environment.