Besty.ai is a conversational AI mobile app for adolescents, especially girls, offering accessible and unbiased sex education, puberty growth info, and mental health support. It provides a safe space for teenagers to ask questions about sensitive topics like sexual and reproductive health, puberty, and relationships. According to the Sexuality Information and Education Council in the US, 86% of middle schools and 62% of high schools lack comprehensive sex education. Adolescents increasingly turn to online sources for sexual health info, highlighting the need for accurate digital tools.