Catch It is a free lifestyle app developed by The University of Liverpool. It is a joint project between the universities of Liverpool and Manchester, designed to help users better understand their moods through the use of an ongoing diary. The app aims to illustrate some of the key principles of psychological approaches to mental health and well-being, specifically Cognitive Behavioural Therapy (CBT).

The app provides a simple and user-friendly interface where users can easily log their daily mood and track their thoughts and feelings. Catch It also offers a range of tools and techniques to help users manage their mood, including different ways of thinking and coping strategies. It is important to note that Catch It is not intended to be a substitute for professional mental health care, therapy or advice. If you are worried about any aspect of your mental health, you should approach a professional.

Overall, Catch It is a useful app for those looking to better understand their moods and learn techniques to manage their mental health.