A device and method for generating user notifications associated with tasks that are pending completion on a mobile device. When additional input is required from a user of the mobile device to complete performance of a task and is not being received from the user within a predefined time period, at least one form of user notification is generated. The particular form or forms of user notification are defined by a user profile associated with the user. User notifications may comprise visual, audible, and/or vibratory alerts, and different forms of these user notifications may be generated in a sequence. The volume of audible alerts or the period between periodic user notifications may vary over time.