What is NETGEAR Nighthawk? The NETGEAR Nighthawk app is a powerful tool that allows users to manage their home WiFi network from anywhere. With this app, users can access their router's features, monitor and control their home WiFi, filter content, limit time online, and protect all devices from online threats. The app also allows users to check their internet broadband speeds, set up a secure and separate WiFi network for guests, monitor internet usage over time, and perform other tasks such as pausing WiFi and updating firmware.