I understand that FaceTime makes video calls through Wi-Fi connection, so there will be no problem of operator charges. In other words, as long as your Apple device is connected to the Wi-Fi network, you can make video calls with FaceTime for free, without paying any fees.

Can be used across platforms. FaceTime is a free video calling application, which can make video calls between various Apple devices such as iPhone, iPad, iPod touch and Mac, which is very convenient.

There is no need to use the operator's network. There is no extra network fee for using FaceTime. As long as your device is connected to the Wi-Fi network, you can make free video calls using FaceTime.

Adopt advanced video compression technology. FaceTime uses efficient video compression technology to ensure clear and smooth video calls. This technology can reduce the demand for network bandwidth and improve the efficiency of video call.

Switch voice and video at will. When you make a video call with FaceTime, you can switch between voice and video modes at any time, which is very convenient.

Support multi-person video calling. FaceTime also supports multi-person video calling, and can make video calls with multiple friends, which is very suitable for parties or family gatherings.