Introduction: In the evolving landscape of mobile application development, understanding user behaviour, managing user identity, and delivering personalised communication are critical components of a successful digital product. Google provides a suite of powerful tools through Firebase and Google Analytics that help developers build, improve, and grow their applications efficiently. This article explores Google Analytics , Firebase Authentication , Firebase Cloud Messaging (push notifications), and other core Firebase products , along with their practical uses. Google Analytics Google Analytics for Firebase is a free app measurement solution that provides insights on app usage and user engagement. Unlike traditional Google Analytics, this version is tightly integrated with Firebase services, making it highly useful for mobile and cross-platform apps. Key Features: Event tracking : Automatically or manually track user actions like screen views, button taps, purchases, etc. User segm...