1. In the ScreenLimit app tap ‘Dashboard’
2. In the ‘Children’ tab you will see the list of your children and the time remaining. Underneath the child's name you will see a "set timer" button, tap it. In this new screen at the top you will be presented will a slider and your child's name to the right of it, in this case, "Polly's Timer". The default will set the timer to be active, however just swipe the slider across to turn it off. This indicates that the child is now untimed.
3. To time that child again simply swipe the slider back on.