MyFitnessPal is the most popular and favorite app based on the weight maintenance, calorie awareness, and food variety. The app was founded in 2005 and features the largest foods database with over 6,000,000 foods and a nutrient calculator for your daily home cooked meals. MyFitnessPal can be customized according to people's exercise, diet ,and weight loss plans. You can set up your personal diet goal by filling in basic diet information such as goal weight, date of birth, current weight, gender, height, and rough activity level.

MyFitnessPal is free and provides a lot of core features. The app is available for Blackberry, Windows, Android, and iOS smartphones and compatible with some popular health app as well as tracking devices like RunKeeper, smartwatch, Fitbit, Withings, and DigiFit.

MyFitnessPal allows you to synchronize with their official website so that you can track your calories cross-platform. Moreover, the app facilitates you with sharing options like adding MyFitnessPal Friends to your account, or posting on Facebook and Twitter. Overall, MyFitnessPal allows you to watch over your calorie anytime and anywhere.