1. A system comprising:a notification controller comprising one or more processors; and
a memory storing code that is executable by the notification controller to:
determine a context for a plurality of mobile devices;
determine, for the context, a hierarchical ranking for the plurality of mobile devices wherein a first mobile device of the plurality of mobile devices is higher-ranked than at least one second mobile device of the plurality of mobile devices; and
communicate a command selected by the higher-ranked first mobile device to modify a detectability of one or more notification settings of the at least one second mobile device that is lower-ranked than the first mobile device.