말더듬 치료 - 말속도 트레이너 is an educational and reference application available on Android. Developed by Yeondu Soft, this free app is designed for individuals interested in stuttering therapy. The program combines various features from the entries of the "2016 ISAD App Contest" by Kim Se Young and Yoon Du Young from Daegu Catholic University, Jo Seung Mi, Kim Dong Wook, Song Min Seok, and Lee Jung Hwi from Woosong University.

말더듬 치료 - 말속도 트레이너 provides a therapy program for people with stuttering issues, including children and adults. It offers features such as controlling speech speed, diaphragmatic breathing exercises, and vocalization practice. The application is continuously updated to include more functionalities in the future.

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