Abstract: A self-learning counter apparatus and method for consumables is effective to learn a user's schedule for consuming items, such a pills or medicines; or to learn the useful life of a consumable or wearing item, such as a razor blade or toothbrush. Subsequently, during a reminder mode of operation, the device reminds the user to take a pill, or reminds the user when the useful life of the item (such as a razor blade or toothbrush) is at an end, so that the item can be replaced in a timely fashion. One useful embodiment of the invention learns and then signals a user that the useful life of a safety razor blade has ended. Another useful embodiment of the invention learns and then reminds a user that the useful life of a toothbrush or power toothbrush head is at an end. Still another useful embodiment of the invention learns and then reminds a user of the user's pill or medicine taking schedule.