A mobile device is provided, including: a synchronization module configured to receive, at the mobile device, activity data from an activity monitoring device via a wireless connection； an activity data processing module configured to process the activity data to determine an activity metric for a user； a notification generator configured to compare the activity metric against a predefined threshold, the predefined threshold being mapped to a notification message, determine, based on the comparison, that the activity metric has reached or exceeds the predefined threshold, and access an electronic calendar associated with the user to obtain electronic calendar data； a display； and, a notification presenter configured to display the notification message on the mobile device via the display responsive to determining that the activity metric has reached or exceeded the predefined threshold, a timing of the display of the notification message being determined based on the electronic calendar data.
