KULCS is a free mobile application designed for Android that serves as a digital loyalty program for users of Kulcs Patikák, a pharmacy chain. The app allows users to explore exclusive offers and discounts on health and wellness products, making it easier to save money while shopping. Users can also access current highlighted products and monthly discount information conveniently.

The app includes features such as a personalized shopping list to keep track of favorite items, a partner offers section to redeem discounts, and a pharmacy locator to find the nearest Kulcs Patikák. With a simple tap, users can access their digital Kulcs Card to present at checkout for savings. The app is available for download and can be used by existing members or new customers looking to join the loyalty program.