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Parkinson’s disease (PD) is a neurodegenerative disorder that affects a huge number of people. People with PD may have trouble speaking. Impeded speech affects 70% of people with PD and this can have particularly harmful consequences linked to social exclusion and isolation. Considering this context, we have been working for the last three years in the development of a software application to assist people with PD to communicate with others. To assure the use and adoption of this application an evaluation of its acceptance was carried out. To that end the Unified Theory of Acceptance of Use of Technology (UTAUT) was applied. The results showed acceptation of the application for people with PD that has serious problems of communication. This paper presents this evaluation from its design to the discussion of the results.