Appointment booking app (iPhone and Android)

The requirements. Please have a look at the demo screens doc for reference. a. User must login using email address and password to access the app. Password is verified against the server. b. Under info, the first tab shows user packages. If the package is expiring within 1 month, the app will alert the user. Package information and expiry date is loaded from the server. c. Treatments info is a report loaded from the server. d. Appts shows the user's upcoming appointments and completed appointments. Upcoming appointments can be clicked to open a pop-up to request for appointment change. Appointment info is loaded from the server. e. Under Appointments, you see a calendar. In the calendar will list the upcoming appointments highlighted. User can click the highlighted dates to show appointments details. Clicking the details again will open a pop-up to confirm if the user wants to change appointment, cancel appointment or go back. Upcoming appointment info is loaded from the server. f. Under Appointments, you can also click on a blank date (today or after). A pop-up with a list of available services, a time selection and a button to confirm will appear. The request will be sent to the server, and a response will be given if successful, or an error occurred. List of services will loaded from the server. g. Changing appointment time is a request sent to the server. Can the server "push" a response back to the app, sending a notification to the app upon approval of appointment or approval of appointment change? h. Promotions display promo information loaded from the server. Clicking on a promo allows the user to select a date and time for booking. Works similar to Appointments. i. App alerts will be sent to the user if a new promotion is available. j. Feedback section allows user to send feedback to the server. The server can also prompt the app to remind the user to give feedback.