BADAKA (Together Overcome Early Child and Adolescent Marriage) Is an educational application in an effort to prevent early Child and Adolescent Marriage, equipped with educational features on adolescent health, reproductive health, stunting and also equipped with online consultation features and consultation and education of healthy bride and groom candidates. This application was also developed in an effort to reduce stunting rates and educational efforts to prevent stunting and prevent early marriage for children and adolescents contained in the application.