Mobile app development faces numerous challenges as user bases grow, with manual workflows proving inefficient and costly. Agentic AI offers a transformative solution by creating intelligent workflows that integrate and optimize the collaboration between product managers, designers, developers, and QA teams. This technology addresses the fragmentation in traditional development processes, reducing inefficiencies and regulatory risks, and enhancing performance during peak usage periods. AI agents facilitate cross-functional support, streamline workflow orchestration, and enable data-driven decision-making for feature prioritization and product strategy. They also improve mobile design through context-aware insights, optimize coding and architectural decisions, and enhance testing and quality assurance with self-healing capabilities. Moreover, AI-driven deployment and DevOps pipelines predict and mitigate potential issues, ensuring smoother releases and maintaining user trust. By analyzing user behavior data, AI provides valuable insights for personalized feature rollouts, allowing teams to anticipate user needs and improve engagement. As AI reshapes the mobile app development landscape, teams that leverage these intelligent systems are better positioned to adapt and thrive in a competitive market.