This study aims to analyze how the Fondi application is utilized to enhance students' speaking proficiency. The method used was Quantitative pre-experimental with a one-group pretest-posttest design, involving 20 students from the English Education department at Walisongo State Islamic University Semarang. Data were collected through speaking tests before and after the use of the Fondi application as well as a questionnaire to determine students' perceptions of the application. The results showed that the Fondi app significantly improved the students' speaking accuracy and fluency. The average accuracy score increased from 41.75 to 87.00, while the fluency score increased from 42.25 to 84.50. The t-test showed a significant difference between the pretest and posttest results with a sig. (2-tailed) < 0.05. In addition, the questionnaire results revealed that the majority of students felt more confident, motivated and comfortable in practicing speaking using the Fondi application. This study concludes that Fondi is an effective technology-based learning media to enhancing English speaking proficiency. Interactive features such as group speaking practice and interaction with other speakers provide a more interesting learning experience and support the improvement of students' speaking proficiency. Therefore, this app is recommended to be used in English language learning to enhance speaking proficiency.
Keywords: Accuracy, Fluency, Fondi Application, Learning Technology, Speaking Proficiency.