e-IDDEEA is a mobile application designed for registered users in Bosnia and Herzegovina, allowing them to access various digital services. Users can digitally sign PDF documents using their personal certificates, including documents provided by partner institutions such as banks and telecommunications companies. The app facilitates the return of signed documents to these institutions and allows users to download them directly to their devices.

In addition to document signing, e-IDDEEA offers functionalities for checking the status of monetary fines for individuals and legal entities by entering identification numbers. Users can also track the progress of their applications for travel documents, personal identification cards, and driver's licenses from submission to delivery. This application serves as a comprehensive tool for managing digital signatures and accessing essential governmental services.