If you're like most people, you're probably on your iPhone a lot. Why not put it to good use and have it help manage your lifestyle and symptoms of Parkinson's disease? There are medicine trackers, puzzles, social media sites, reminder apps, speech aids, symptom trackers, and information apps, all of which can be useful to those with Parkinson's or their caregivers. Check out our list of the best Parkinson apps for the iPhone.