Using it on public networks is considered a "Denial of Service" (DoS) attack, which is illegal in many regions.
Technically speaking, WiFiKill is an implementation of an ARP (Address Resolution Protocol) spoofing or "ARP poisoning" attack.
If you have an old rooted Android phone (e.g., Samsung Galaxy S4, Nexus 5 running Android 6.0):
Using it on public networks is considered a "Denial of Service" (DoS) attack, which is illegal in many regions.
Technically speaking, WiFiKill is an implementation of an ARP (Address Resolution Protocol) spoofing or "ARP poisoning" attack.
If you have an old rooted Android phone (e.g., Samsung Galaxy S4, Nexus 5 running Android 6.0):