THE MAIN USERS
Two users:
1- Beneficiaries of services.
2- Dietitians.


USABILITY GOALS
The app will ensure to provide products that are easy to learn, effective to use, and enjoyable for the users. Most of user wish that the app most be accurate to do the certain function to get right result, so app will ensure to provide the following: effective and effectiveness in allow nutritionist expert monitoring the users and communication with them by sending a message or calling . also provide Learnability -because it's provide the metaphor icon- and achieve safety in confirmation visa card number
USER EXPERIENCE GOALS
stimulus : our app give words stimulus When user accomplish a task
challenge: gives some sports daily
engaging: change the interface color when change the weight of user


CURRENT SYSTEM/SHORTCOMINGS
Most applications not provide communicate nutritionist expert with users
our application based on principles of HCI.