Need iPhone and Android mobile phone application

I want two apps for the Android and iPhone mobile phones, both will be placed on the web server. App should be work like a communication in between the customer and the service provider. Customer will post the job with some details like pictures, contact no, etc then service provider will bid on particular job with time frame and the price. Only some things we want in the app, it will not cover anything like payment integration and anything else. Please only serious bidder place the bid with right price and time frame. Project will be awarded soon.