This research aims to improve grammar learning in English subjects, initially only through questions on monotonous paper-based. This learning was developed with the help of the Quizizz interactive quiz application. This type of research is Quantitative research experimental. This study has three tests: a descriptive test, a normality test, and the Whitney test. The stages determine the mean, median, and mode values. This development research uses quantitative descriptive methods. The descriptive research results showed 89.3 for the normally distributed data normality test. Based on the sample t-test results, Grammar aided by the Quizizz application is declared valid or suitable for use in teaching and learning activities.