Hello,
Please share further specification required as what is the main objective of app, in what business you deal with? so we can assist you with detailed project plan of action.
as I could bid a blind cost but it'll just create a time gap with long discussion and will give a wrong message in terms of business relationship which we don’t want to do.
For More trust over our work kindly review our profile at:
https://www.freelancer.com/u/jkphugat.html
Thanks,
Vancha