Kindly see attached.
Pls provide as many details as possible to save time clarifying.
1. For each feature/function, pls advise the following:
a) The coding language used
b) Whether can be done? Such technology already exists in the market?
c) Estimated time frame of development
d) Estimated price
2. What do you think is the level of complexity?
3. How much to develop an app with all these functions?
4. What is the total time of development of an app with all these functions?
5. Pls also provide your portfolio of apps AND/OR apps you have done with similar features mentioned below.