There are hundreds, if not more, of apps available for people who have been diagnosed with Alzheimer's, and for their caregivers. Some can help patients retain memories better, some are used to track and detect the progression of the disease, and some are cognitive training tools. The Alzheimer apps for caregivers can help explain the condition and tell loved ones what they might expect, help keep track of medications, and more. Here is a list of the best Alzheimer's disease apps for the iPad.