NetCut is a network utility tool designed to scan Wi-Fi networks, list connected devices, and (on some platforms) cut off their internet access via ARP spoofing attacks. Originally popular on Windows and Android, many users seek it for iOS to manage their home networks or test security. Critical Reality Check: NetCut Does NOT Work as a “Killer” on iOS You cannot use NetCut to disconnect other devices from Wi-Fi using a standard, non-jailbroken iPhone or iPad.