AquaDr is a smart Android application designed for drinking water quality assessment, water purifier maintenance tracking, and household water health monitoring. Built with Android Studio and powered by Google Gemini AI, the app enables users to evaluate key water quality parameters, receive timely reminders for filter servicing and device upkeep, and continuously monitor the safety of their home water supply. By combining real-time data analysis with intelligent recommendations, AquaDr helps families ensure access to clean, healthy drinking water while simplifying the management of purification systems.