Ring in the New Year with a flat stomach.
Form a virtual running team and track your runs using your smartphone's GPS with RunKeeper.
Available on: iPhone, Android, Windows Phone 7 and Symbian
Stay accountable by tracking your food intake using My Net Diary.
Price: $3.99 on iPhone and Android, $9.99 on iPad, free on Blackberry but requires a membership
Available on: iPhone, iPad, Android, Blackberry
Your friends can cheer you on while you run by liking or commenting on your status with Nike+ GPS App.
Available on: iPhone
Use Tap & Track to shop for and follow your favorite diet, whether it be Atkins, South Beach, or Protein Power.
Available on: iPhone, iPod and iPad
You'll find motivation in your friends' weight loss success stories with My Fitness Pal.
Available on: iPhone, iTouch, iPod, iPad, Android devices, Blackberry devices and Windows 7 devices
Set up a small, manageable goal with Marble Jar.
Available on: iPhone, Android coming in January
Create a weight lifting routine, schedule and track your sets with Gym Buddy.
Available on: iPhone
Photo Courtesy of auremar / Shutterstock.com
Don't be tempted by fast foods. Create a meal plan with Food on the Table.
Available on: iTunes, Android devices
Snap pictures of what's on your plate before you consume it with The Eatery.
It's a food slot machine. With Shake a Snack, you get over 300 healthy snack recipes.
Available on: iPhone, iPad, iPod Touch
Weight loss can be difficult if you're not getting enough shut eye. Track your sleep stats on iHome + Sleep.
Can't afford a personal trainer? Try doing sit-ups with CrunchFu on your chest. It'll give you feedback on your form.
Available on: iPhone, iPod Touch
You'll be ready for your first road race in nine weeks with Couch to 5K.
Photo courtesy of Maridav / Shutterstock.com
Use iMuscle to find exercises that strengthen core muscle groups.
Available on: iPhone, iPad
Figure out your weight loss goal and stick to it with Lose It!.
Available on: iPhone, iPod, Android phones and tablets, the Kindle Fire, and the web
Order smart when eating out with Restaurant Nutrition.
Photo courtesy of iofoto / Shutterstock.com
Nutritional information is at your fingertips with LIVESTRONG.com's Calorie Tracker.
Available on: iPhone, iPad, Blackberry, Windows phones
Designed like a video game, Body Fate will keep you engaged--and toned, using what equipment is available to you.
Available on: iPhone, iPod Touch, iPad
Better yet, use your smartphone to scan the barcode and let Fooducate do it for you.
Available on: iPhone, Android
Kick the coffee habit (or the soda) and get some water in your body with Drink Tracker.
Jennifer Jeanne Patterson is a freelance writer and author of 52 Fights. She lives in Minneapolis with her husband and three children. Find her blog at Unplanned Cooking.
Related: Amazing Body Transformations
Don't miss out on MORE great articles like this one. Click here to sign up for our weekly newsletter!
In one month time of using this application it helps me in losing weight faster than any other methods available. I lost a stone. Thanks Life Hypnosis.
So out of the 20 apps listed, I was very surprised to not see my favorite, and in my humble opinion, the best one... intelli-diet!!! Check this app on youtube. It's awesome. I use it every morning. It tells me what to eat and how much to eat based on foods I have. And...it is customized based on how fast I want to lose. I love technology! Great tools which really help keep you focused. Love it. Here's a review on youtube for it: http://www.youtube.com/watch?v=7qKWu1tP7oA
Five Ways Not to Start a Presentation
Notable, Quotable and Just Plain Funny! March 2014 Edition
5 Products for Stellar Strands
Can't-Miss Spring Books
Our Favorite New Hair Products
8 Must-Haves for Aging Hair
Spring's Most Flattering Trend: Pinky Nude
Notable, Quotable and Just Plain Funny! February 2014 Edition
Hair Secrets from 5 Top Stylists
10 Tips to Boost Your Chances of Meeting Your Match Online
Our 10 Best Entertainment Picks for March and April
Refresh Your Online Identity
Ultimate Anti-Aging Meal Plan
Reinvent Your Life at 40: Welcome Ambition Back Into Your World
Reinvent Your Life at 50: Accelerate Toward your dream
9 Reinvention Tips for Any Age
Reinvent Your Life at 30: Make Your Complicated Life Work for You
What Hair Pros Really Use on Their Hair
Reinvent Your Life at 60: Leverage What Experience Has Brought You
30 Clever Layering Tricks To Expand Your Wardrobe