Detect iPhone device which using same wifi

Question

how can i detect other iPhone devices in my wifi. After i found other iPhone devices, I want to send some values to them from my App. If i find 3 devices , i send any values that should go to all the three devices. In which way, i can achieve this.

Can anyone help me to find this.

Thanks

Answer 1

I believe you can achieve it by detecting whether the SSID is the same, with the answer in this question . Also, you can double confirm by checking their IP. They suppose to be in subnet.