A method for generating a notification on a mobile device is provided, including the following method operations: establishing a wireless connection between the mobile device and an activity monitoring device； receiving, at the mobile device, activity data from the activity monitoring device via the wireless connection； processing the activity data to determine an activity metric for a user of the activity monitoring device； comparing the activity metric against a predefined threshold, the predefined threshold being mapped to a notification message； determining, based on the comparing, that the activity metric has reached or exceeds the predefined threshold； displaying the notification message on the mobile device after determining that the activity metric reached or exceeded the predefined threshold.
