•  CalorieKing: Provides nutritional information for more than 70,000 foods and meals available in 260 restaurant chains in the United States. Novelties include comparing calories, carbohydrates and fat content of two meals.

•  Fooducate: By scanning barcodes of various foods it shows their nutritional values and other important data such as sodium, preservatives and fructose content. Based on these values, it assigns a category (A, B, C or D) and offers recommendations of similar but healthier options. It also allows users to keep a log of their food intake and the amount of exercise they perform daily. There is a free version, but the specialized options for patients with diabetes or gluten and other food allergies cost $3.99.

•  Lose It!: Users choose how much weight they want to lose and in how much time. Based on this information the program indicates the quantity of calories to consume every day and the level of exercise. It also allows sharing the information with friends so that they can follow each other’s progress.

•  MapMyRun: Uses the phone’s GPS to establish the distance users jog, as well as speed and calories consumed. It also allows sharing the details of the jog on social networks.

•  Nike + Running : Registers distances jogged, speed and time, informing users of statistics at every mile.

•  Sleep Cycle Alarm Clock: You place the phone with the app in a corner of the bed, preferable under the pillow, and after a week of “observation” it helps users identify sleep cycles and keeps a log of the hours slept.

•  HeartWise: Allows users to keep a log of their blood pressure with alerts to take certain medications or take measures. It also generates reports for doctors. It costs 99 cents.

•  Glucose Buddy: Allows patients with diabetes to keep a complete log of their glucose levels and of the activities affecting them from the time they wake up, including the level of exercise performed and meals eaten. It also incorporates other measures such as blood pressure and cardiac frequency, generating reports that can be emailed to doctors.

•  SoundAmpR: Allows use of your phone as a hearing device when connecting its headphones.

•  Water Your Body : Keeps a log of the amount of water consumed during the day, with special alerts to remind users when to drink more. It costs 99 cents.