Zone Diet Free is a free Android app developed by FrackStudio and falls under the category of Lifestyle and Health & Fitness subcategory. It is designed to help users calculate and compose their meals according to the Zone Diet and the Paleo Zone in just a few moments.

The app offers a range of features, including calculation of blocks, more than 600 pre-entered foods, calculation of protein assimilation, calculation of lean mass, fat mass, and needs directly in blocks, configurable measurement units, calculation of calories, proteins, carbohydrates, and fats, saving favorite meals, export function of the database, and sharing meal function.

The app uses the European Institute of Oncology as the source of the foods database, while the compiler of the Zone Diet is also used by CrossFit athletes. The app is user-friendly and straightforward to use, making it simple for users to calculate their meals and plan their diets. However, it is essential to note that the Zone Diet, like all diets, must be followed under the guidance of a physician.

Overall, Zone Diet Free is an excellent app for anyone looking to lose weight and keep fit by planning their meals according to the Zone Diet and the Paleo Zone.