Molehill Mountain, developed by Autistica apps and King’s College London, is a free iPhone application designed to help autistic individuals understand and self-manage their anxiety. Based on Cognitive Behaviour Therapy (CBT), Molehill Mountain allows users to track their worries and identify the situations that trigger their anxiety. The app provides a chart that plots daily check-ins, helping users identify patterns and trends. It also offers tips to help users understand their anxiety and learn ways to manage it, covering common causes of anxiety and stress in autistic individuals. Additionally, the app features interactive CBT activities that draw upon clinically proven techniques to help users recognize and overcome unhelpful patterns of thinking. Molehill Mountain is a valuable resource for autistic individuals seeking to better manage their anxiety.