462099 App for iphone blackberry and android

Hi i would like to someone to develope an app for the systems phones mentions in the project name. The app is straight forward calender schedule based app. This app is unique to bus drivers where they can add their duties number, start and finsh of duties, then it should be avble to work out the amount oh hours worked, Similiar app on iphone 4 is called uk rota. Looking for decent price and nothing expensive. Regards