MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
ShopWell - Nutrition expertise in your pocket.
Lose it! - Snap a photo of your food to get nutritional facts
Sage Project - Beautiful visualization of nutritional facts 🍟🍉🌮
Noom - Get life-long weight-loss results
ipiit - Scan food products to check for allergens