This will help you improve the intake of water by reminding you when and what amount to drink.

Here you can create your own personalized routine of exercises and schedule them for the days you want, also create reminders for when to do them.

With "Sleep" you would know how much sleep you need for your age and how many hours you were asleep. Also, it can remind you when you should go to bed to get the needed hours. This feature integrates with the health app on your iPhone, so you can see your sleep analysis on the health app.