The integration of mobile technology in our daily lives has become increasingly significant. This technology provides students with the freedom to learn anytime and anywhere. Among the various mobile devices available, mobile phones are the most popular choice for students. They are used for a plethora of activities such as browsing the internet and sending emails. The advancement of technology has made mobile learning an enjoyable method of studying for students. Due to its exceptional features, such as accessibility and mobility, many countries have already incorporated it into their educational systems. To enhance the assessment process in high-density classrooms and encourage interactivity between students and teachers, this paper presents a case study on the development of a user-friendly mobile quiz application "QAPP". Our mobile application has been developed with the intention of providing an interactive educational aid for students and instructors capitalizing on the prevalence of mobile devices. A 20-question questionnaire was administered to evaluate the users' responses, indicating that the feedback was positive. Developing mobile applications for mobile learning is crucial to the future of software technology, as it supports learning anytime and anywhere.