This is the client of webcam+. webcam+ turns
iPhone/iPad into a powerful ip camera, which supports live 4k video/audio, motion detection, intercom, remote
In the movie of Mission Impossible - Rogue Nation, Ethan Hunt used a mobile and a laptop to watch Alpha team, who were trying to arrest him. This plot is very impressive. With webcam+, you can do even better. In addition to video surveillance, it has sound monitoring, talkback, motion detection, remote control, remote photography, 4K video and other functions.
This app is the macOS client of webcam+.