Approximately 2.7 million Brazilians may have some speech disorder, according to the Brazilians Institute of Geography and Statistics. Language therapies usually employ speech exercises at home for people with speech disorders without close specialized supervision. There are fundamental movements. Assistive technology and machine learning can support the development of speech pronunciation practice systems. SofiaFala is a mobile application that supports prescription, monitoring, execution, and evaluation of speech therapies. It also supports speech therapist data analysis for the outside clinical environment. In the two last years, 1,400 speech therapists have required access to the SofiaFala.