The AT&T Smart Home Manager serves as the primary control interface for subscribers of AT&T's internet services, offering centralized management of home network configurations through a mobile application. This mandatory companion application provides the essential tools for initial setup and ongoing maintenance of AT&T internet infrastructure, positioning itself as an integral component of the service ecosystem rather than an optional utility. The application's core functionality encompasses comprehensive network administration capabilities. Users can modify Wi-Fi credentials, monitor connected devices in real-time, assign personalized identifiers to devices, and establish usage profiles. The downtime scheduling feature enables parental controls for managing screen time across family devices. Network security monitoring automatically detects new device connections and potential unauthorized access attempts, providing immediate notifications to users about network status changes and connectivity issues. User experience demonstrates generally intuitive navigation despite some reported initial setup complexities. The interface organizes features logically with clear labeling, though some users note occasional technical hiccups during configuration. Real-world usage patterns indicate the application serves both daily monitoring needs and occasional network adjustments, with push notifications alerting users to connectivity status changes and security events as reported in user feedback. User reviews consistently highlight the application's straightforward functionality and security features. Joker lives (2025-09-03) noted ease of use after initial setup, while w8ing4flite (2025-08-01) emphasized the security monitoring benefits. However, some users indicate the application may present challenges for less technologically experienced individuals, as referenced in reviews mentioning elderly users potentially struggling with the interface. The application demonstrates strengths in centralized network management and security monitoring but remains limited to AT&T service subscribers. Its mandatory nature for service management creates dependency, while the interface, though generally intuitive, may require technical familiarity for optimal use. Ideal for households seeking granular control over network access and usage patterns within the AT&T ecosystem.