Hello,
Hope you're doing well.
So, We're Duluth, US based Development agency and we have extensive experience with Mobile app development and We've worked with various high end projects so far and executed successfully with our unique approach of project management.
Regarding your reference app,Our basic understandings are :
User-
-Able to Login/Signup Manually
-Able Create/Manage Profile(Add Name,Age,Address,Email Address,Contact Number)
-Add your vehicle(Car)Details(Like Car model,Car Type etc)
-Able to Search nearby parking Space(In selected Radius)
-Able to See Google map to find parking Area and Space
-Get Quick search for emergency parking reservation
-Able to Find Who leave Their Parking at what time In detail
-Able to Book/Reserve that parking Slot for your Car
-Able to pay via card/wallet
-Able to Get Confirmation about your Reservation
-Able to Cancel your Reservation(Submit a Reason to Cancel your Reservation)
-Find Matching People who finds a parking slot at in your area(A list of required users)
-Able to suggest your Reservation Slot to any other user who require parking slot at that area
-Able to Get Confirmation about your Suggested people Acceptance to get that parking slot
-Able to Set your Leave time for other user's Booking/Reservation
-Able to Set Grace time(time they are available to wait before leaving the slot)
-Able to Rate Any User for their service
-Able to Get notification about reminder of your reservation/Parking slot
Thanks.
D