How will I know that my child’s Bedtime settings took effect? JP March 23, 2018 02:49 Updated Requirement: install Boomerang on your iOS device in Parent Mode (Manage Family Devices). We provide device statuses under each family device that is in Child Mode. Related articles My kid is turning Airplane Mode on prior to bedtime - what can I do? Comments 0 comments Please sign in to leave a comment.