The goal of the study is to determine whether using a shadowing application significantly improves students' speaking abilities in the tenth grade students’ at SMAN 6 Pandeglang. Using a pre-test and post-test group design, the methodology is quasi-experimental, and the study methodology is quantitative. There are 350 students in the population of this study, and there are 70 students in the sample. The statistical analysis of the data was conducted using the IBM SPSS 29 software. Based on the data analysis results, it is evident that the tenth-grade students of SMAN 6 Pandeglang benefit significantly from the shadowing approach in terms of their speaking abilities. The t-test findings show that the obtained sig value was less than or equal to 0.05 The statistics clearly shows that using the shadowing Application improves the speaking ability of SMAN 6 Pandeglang students’ in the tenth grade. Next, the investigator developed the alternative hypothesis (????a) and the Null hypothesis (????o) as follow: The alternative hypothesis (????a) stated that there is significant effect of students speaking improvement between students who are learned using Shadowing Application and students who learn without utilizing the Shadowing Appplication. The null hypothesis (????o) states that there is no significant effect of students speaking improvement between students who are learned using Shadowing Application and students who are learned without using Shadowing Application. With the result of hypothesis test; sig. value <.001 = <a 0.05 so Ha is accepted and Ho is rejected. It means, there is any significant effect of using shadowing application towards speaking skill.

KEYWORD: shadowing, speaking skill, application.