The Electronic Signature Application of the Ministry of Religious Affairs of the Republic of Indonesia is a mobile-based application (Android and iOS) used to assist in the electronic signature process within the scope of the Ministry of Religious Affairs of the Republic of Indonesia. This application allows users to electronically sign documents using their mobile devices. In the process, the application ensures the security and validity of the electronically signed documents. The Electronic Signature Application of the Ministry of Religious Affairs of the Republic of Indonesia was developed while working as a mobile developer at Imp Studio, which collaborated directly with the Ministry of Religious Affairs of Indonesia.