International Research Journal of Education and Technology

The development of a mobile application designed for secure biometric registration and authentication, utilizing Firebase as the backend database. The application aims to streamline user login processes by incorporating biometric features such as fingerprint and facial recognition, enhancing both security and user experience. The application is developed by using Kotlin for the Android platform, making the most of its modern language features for efficient coding practices. Java is employed for specific backend functionalities, ensuring tough manner capabilities. XML is utilized for designing default user interfaces, making the app visually attractive and user-friendly. Key functionalities include user registration, biometric data capture, and secure login mechanisms. By integrating Firebase Authentication and Fire Store, the app ensures secure storage and management of user data, while also supporting real-time data synchronization. This application addresses the growing demand for secure authentication methods in mobile applications, providing a seamless login experience while safeguarding sensitive user information. The proposed solution not only enhances security but also contributes to the convenience of mobile users in an increasingly digital world.

IndexTerms— Biometric Authentication, Firebase Database, User Registration, Kotlin, Java, XML Layouts, Fingerprint Recognition, Facial Recognition, User Interface (UI)Design,Secure Login