If you’re like most people, you don’t go very far without taking your smartphone. It helps you stay in touch with family and friends, it keeps you updated on important work emails, and, thanks to some really great free fitness apps, it can also help you meet your health and fitness goals.Here are the three best apps that you’ll want to download today (at no cost) so you can start to lose weight and get in shape for tomorrow:#1 My Fitness PalIf your priority is weight loss, My Fitness Pal is a good app to have. It allows you to easily track the amount of calories you consume on a daily basis and it has a huge database of both name brand and generic food options, making it easy to record your data. At the end of each day, it even tells you how much weight you can lose in a week if you keep eating that same amount of calories. Talk about motivation!#2 RunKeeperWhether you are running, walking, or even bicycling, the RunKeeper app will measure your distance as well as your pace. That makes this an invaluable tool if you’re training for a marathon or any other fitness event that requires that you go a certain distance on specific days. It also keeps you motivated to improve your time or distance if you’re competing against yourself.#3 Workout Trainer You’ll never have the excuse that you don’t know what workout to do when you download the Workout Trainer free app. It offers a large variety of workout options in categories such as cardio, yoga, weight lifting, abs & core, and full body. It even has fitness tests you can take so you can monitor your progress. Each one is rated according to intensity (with descriptors such as casual, moderate, and intense), so you can pick the workout suited to your fitness level.Download these three apps today and you’ve got everything you need to hit your weight loss and fitness goals. Have you ever tried any of these? What are some other fitness apps you like to use?