Systems and methods for adaptively scanning for one or more beacon devices based at least in part on user activity are provided. More particularly, a user device can scan for one or more beacon devices at a first scan rate. The user device can detect a trigger event based at least in part on data indicative of an activity level, such as data indicative of a status of a display, data determined from one or more motion sensors, a number of beacon devices detected by the mobile device during a time period, data indicative of prior interactions with beacon device information, or data indicative of a charging status of a battery associated with the mobile device. The trigger event can signify a change in an activity level associated with the user device. Responsive to the trigger event, the user device can adjust the scan rate from the first scan rate to a second scan rate.