With a prevalence of 1 per 100. Autism represents a global challenge. Behavioral improvement with specialists is the only proven method with high socioeconomic challenges. Therefore, an application was created that assesses the condition of a case with autism. It uses GARS, followed by filling Stanford-Binet Intelligence Scale 5th edition report. It makes a custom program suitable for the case using Portage Program. This program is designed by using SQL and C# code. By test and observation, the cases showed improvement in the cognitive domain by 13.4%, social interaction by 14.36%, and perceptual field by 15.4 % depending on the app with the development center. While these were 8%, 8.5%, and 8.4% respectively depending on the development center only.