In recent, mobile learning(m-Learning) applications market using smartphone is constantly increasing. Smartphone based English learning applications are very popular in non-English speaking countries such as Korea, Japan, and China etc. Inspite of its high popularity there are no empirical researches on the influential factors for continual usage of mobile English learning applications. In this research, we show the influential factors affecting the continual usage of mobile application for English learning through survey of actual users. According to the analysis results of 160 users, mobility, self-initiation, and utilitarian value are positive influence factors for continual usage. This study will contribute to smartphone based learning application developers, mobile learning researchers and language learning contents creators.