Move Mood is an innovative app designed to help individuals manage low mood and depression. It provides a user-friendly and interactive platform, suitable for children over the age of 13, aiming to enhance mental wellbeing through behavioural activation therapy (BAT). Move Mood is crafted by the teenage mental health charity stem4, in collaboration with Dr Nihara Krause, Consultant Clinical Psychologist, and is grounded in evidence-based research. The core functionality of Move Mood revolves around a personalised cartoon companion that users can design themselves. This unique feature allows for a more engaging and individualised experience. Users can create tasks and track their emotional progress using the in-app mood diary. This diary is an essential tool for recognising patterns in mood changes and monitoring overall mental health progress. Move Mood rewards users for completing tasks, fostering a sense of accomplishment and encouraging continued engagement with the app. By tracking progress and providing rewards, Move Mood helps users to stay motivated and focused on their mental health journey. The app's approach to behavioural activation therapy aids in altering negative thought patterns and behaviours, thus promoting better mental wellbeing. Move Mood has been thoughtfully developed to ensure it is both accessible and effective. It is completely free to download and use, making it a valuable resource for anyone experiencing low mood or depression. The app acts as a habit tracker, mental health support tool, and reminder system all in one, providing comprehensive support for its users. Move Mood addresses the growing need for mental health support, especially among teenagers. By offering a platform that is intuitive and engaging, it helps young users develop healthier habits and improve their overall mental health. The combination of a personalised companion, task management, and progress tracking makes Move Mood an essential tool for managing depression and low mood. In essence, Move Mood serves as a comprehensive app to assist those struggling with their mental health. Its unique features, such as task creation, mood diaries, and reward systems, facilitate a supportive and interactive experience. Whether looking to manage depression, enhance mental wellbeing, or build healthier habits, Move Mood is an invaluable resource. Its availability at no cost underscores its commitment to making mental health support accessible to all.