iOS grants none of these capabilities to standard App Store apps. Even apps that claim to "cut Wi-Fi" or "kick users off network" are either , scams , or only work when you control the router itself (i.e., using administrator login).
Most network management apps require iOS 9.0 or later . How to Use Safely netcut ios
Finding a direct "NetCut" app for iOS can be tricky as Apple’s App Store has strict restrictions on network manipulation tools. iOS grants none of these capabilities to standard