We need a date matching facility app

Hello,

App needed for dating type service.

- Good design skills
- Ability to cross match users interests
- Auto update and reference to data from external database
- Creation of user accounts via Facebook, Google or email which will save lists of preferences
- Assigning lists to uploaded images
- No agencies please


Qualifying questions:
How long would it take you to develop?
Where will you store user details?
Who owns the finished code?
What level of support do you provide once the app is live?

Thanks for your time.