Prop up your iPhone or iPad, do a rep, and watch it back on a delay of 1 to 60 seconds. Video Delay keeps replaying while you practice. Save a rep, review it in slow motion or frame by frame, and draw lines or angles on the video. Use AirPlay or HDMI for a bigger view. Pay once, with no subscription, ads, or account. Your video stays on your device unless you choose to share it.