All the Apple device users must be aware of the video calling app called FaceTime. No matter how much Apple claims it to be an open-source app, it is still accessible to only iPhone, iPad, MacOS users, and these users can video call to other iDevice users. One can also do Group FaceTime with up to 32 people at a time, using the FaceTime app, but the users will need iOS 12.1.4 or higher. You can begin Group FaceTime from the FaceTime app and iPhone Messenger app as well.
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