A pervasive service provides device specific updates. A proxy device receives an update request from a user device located proximate to the proxy device. The update request includes at least a user device identifier and a user device state. Update data associated with the user device identifier and the user device state is accessed. The proxy device transmits the device-specific update data to the user device. In some embodiments, the proxy device is a mobile device that detects or otherwise encounters a plurality of the user devices and provides device-specific updates thereto.