The Cupboard is a free iPhone application designed for lifestyle enthusiasts who want to organize and track their bottle collections. Users can easily add bottles to their collection or wishlist, utilize the Cup of the Day (COTD) calendar to log daily usage, and monitor their collection progress. The app also provides valuable stats on the percentage of users with specific bottles, enabling a sense of community among collectors.

Additional features include a gallery for browsing and filtering bottles by various criteria, as well as tools to track purchases and sales. Users can engage with leaderboards and view bottle rankings based on popularity and pricing. Premium features enhance the experience with price history graphs, custom bottle addition, and visual charts for collection value. Overall, The Cupboard offers a comprehensive solution for bottle collection management.