Mudrica is a free mobile app designed as an e-child card for parents with children up to 18 years old. It offers various benefits, including discounts on products and services from partners. Available to all parents in the Republic of Croatia, regardless of citizenship, the e-child card "Mudrica" provides increasing discounts and benefits based on the number of minor children in the family.

To utilize the services offered by the Mudrica mobile app, users must create a User Account in the e-Citizen system. The registration process is linked to the e-Citizen system to ensure data accuracy. Internet connection is required while using the app.

With Mudrica, users can daily monitor partner offers across different categories and select discounts according to their preferences.