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The current study is a classroom action research aimed to investigate the implementation of pronunciation android applications-English Pronunciation, and English Phonetic Pronunciation and English Phonetics-to improve students' pronunciation. The participants in this study were 100 first semester students of English Education Department of Universitas Muhammadiyah Surakarta (UMS) who enrolled in Pronunciation and Phonetics course in academic year 2021/2022. The study consisted of 2 cycles. Each cycle consisted of 4 stages: planning, acting, observing, and reflecting. The techniques for collecting data were pre-test and post-test, obervation, and questionnaire. The quantative data were analysed by comparing the result from pretest and post test whereas the qualitative data were analysed by using constant comparative method. The study found that English Pronunciation, and English Phonetic Pronunciation and English Phonetics can improve the students' pronunciation.
Adityarini et al. (Sat,) studied this question.