Create an Android and iOS Mobie Application from existing Web CRM

We want to create both android & iOS mobile applications for patients and doctors for an existing web CRM for our clinic.

Doctor App (Android & iOS):
1. Doctor profile,
2. View booked appointments for Physical Consultation.
3. Video Consultation
3. Generate e-prescription/Upload prescription
4. Check Earnings (in Graph)

Patient App (Android & iOS):
1. Patient profile,
2. Book/Cancel/Reschedule Appointments.
3. Video Consultation (using API)
4. Pay Online
5. View prescription
6. View booked procedures
7. View Invoices
8. Add/View Feedbacks

Sales Track (only iOS):
1. View Sales data as per filtered date (in graph).