In the mobile iOS Client, you can view the following video statistics: frame number, fps, frame dimensions and size (KB), and delay from live video (in seconds).

To do so, perform the following actions:

1. In the upper-right corner, tap the Settings button.
2. In the main menu, select Settings.
   
3. Turn on the Show fps on video option.
   

As a result, video statistics are shown during playback: frame number, fps, frame dimensions and size (KB), and delay from live video (in seconds).