苹果设备之间视频通话最方便的方式，画质好延迟低。跟家人朋友视频首选。
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What is FaceTime?
苹果设备之间视频通话最方便的方式，画质好延迟低。跟家人朋友视频首选。
Is FaceTime free?
Yes, FaceTime is completely free to use.