Kay Say & Match is a dedicated educational app designed to assist very young children in learning the special pictures used for vision testing. Aimed at children as young as 15 months who are just beginning to talk, the app is also beneficial for children over 24 months to learn the concept of matching. The Kay Say & Match app offers an engaging and interactive way for children to become familiar with the Kay Picture optotypes, making professional eye tests less daunting and more successful. The Name game within Kay Say & Match teaches the names and sounds of the six Kay Picture optotypes. By learning these names, children gain confidence, enabling them to participate in professional vision tests earlier than they might otherwise be able to. This early familiarity can be crucial for effective eye examinations. The Match game in Kay Say & Match associates the six optotypes with fun cartoon animations, helping children learn how to match identical pictures. This game is straightforward and enjoyable, featuring sounds and cheering rewards to encourage continued engagement and learning. For those looking to simulate parts of a professional vision test, the Kay Say & Match app includes a Practice game. This game helps children practice recognising and remembering pictures before matching them. While it does not measure vision, it serves as an excellent tool for very young or shy children to practice in a relaxed environment, thereby gaining confidence prior to an actual eye test. Kay Say & Match also offers an optional in-app purchase called the Test game. This feature includes a speaking matching card to be used during a professional vision test. Each picture says its name in English when touched, making it easier for the examiner to understand which picture the child has chosen. This feature is especially valuable for children with additional needs, such as autism, providing a more inclusive testing experience. The Test game is most effective when used on a large-screen phone or tablet. By incorporating these various games, Kay Say & Match provides a personalised and fun way for children to become familiar with vision testing procedures. This specialised approach not only aids children in recognising and matching pictures but also helps them gain the essential skills needed for successful eye examinations. In summary, Kay Say & Match is a highly beneficial app for young children learning to talk and match. It offers engaging educational content, personalised to the needs of the individual child, and prepares them for professional vision tests. The practice and matching games provide a specialised experience, helping children build confidence and familiarity with vision testing. For parents and professionals, Kay Say & Match is an invaluable tool in early child development and paediatric care.