Systems and methods according to one or more embodiments are provided for detecting or recognizing a user and intelligently altering or adjusting user device settings appropriate for the detected user. In an embodiment, a method comprises detecting, electronically by a processor, a first user interacting with a user device via a user input interface of the user device; determining, electronically by the processor, one or more characteristics associated with a primary user of the user device; determining, electronically by the processor, the first user is not the primary user based at least in part on comparing interactions of the first user with the user device and the one or more characteristics associated with the primary user of the user device; and altering one or more settings of the user device.