The Best Health and Fitness Apps

Your smartphone is good for more than just games and checking Facebook. Use these nine apps (all $3 or less) to stay healthy and fit.

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A version of this article originally appeared on Learnvest.com.

Everyone agrees that good health is priceless. And if you can maintain it with tools that cost less than a morning coffee, it's easy, too.

What will these apps do for you? Oh, everything from help you manage your exercise schedule to be sure you're getting the right nutrients, not to mention get adequate sleep, keep track of doctor's appointments, and figure out when a headache is just a headache, or something more. Here are 9 convenient and free (or almost free) apps that will do that and more.