But don’t panic, there’s no need to choose. In fact, the plethora of apps available to you means loving your cell phone can be a big boost for your health. Check out these five easy-to-use apps that will get you through the day with a bang (yep, we even mean that kind of bang).  Keeping Fit: Endomondo   Starting your day with some exercise is always a good call, and research shows that working out with a pal makes you more likely to keep at it. But what if your ideal gym buddy lives in LA and you’re in NYC? This fitness app lets you challenge friends far and wide and even send them pep talks in real time. Plus, it tracks your distance, speed, and calories. Think of it as a way to engage in some healthy competition with your bi-coastal bestie. (Available for iPhone and Android, free)  An Exerciser’s Best Friend Eating Easy: MyFitnessPal    You’ve heard it before: Calorie counting is a vital part of weight loss. But who wants to drag a notebook around all day to jot down each bite? MyFitnessPal takes the number crunching out of yourhealthy eating equation. Enter your weight loss goal, and then click on what you eat throughout the day (pick from 1,100,000 foods), and the app keeps a running tab. (Available for iPhone and Android, free) Staying Perky: Caffeine Tracker   Can’t survive without that second (or fourth) cup of coffee in the afternoon? Caffeine Tracker will help make sure that you can enjoy a couple of energy bursts during your day without sacrificing sleep. Just enter in your caffeinated drink of choice—coffee, cola, or tea—and watch the graph to see when the energizing compound will exit your system. (Available for iPhone and Android, .99 cents) 23 Ways To Eat Clean Getting Busy: My Days   Whether you’re trying to have a baby, not have a baby, or simply monitor your periods, My Days app can help. The app asks you to put in your periods and, er, other fun activities to help map your ovulation and fertility. (Available for iPhone and Android, free) Hitting The Hay: Relax and Sleep   Sometimes, a little bit of white noise can be all you need to catch some zzz’s. Now you can turn your phone into a white noise machine with the Relax and Sleep app. Choose from more than fifty ambient sounds, such as loons on the lake, the hum of an air conditioner, or the sound of a beating heart, and get ready to drift off to dreamland. (Available for Android, free) Also see: 6 Symptoms You Shouldn’t Ignore, Why You Can’t Sleep, Walk Off The Weight