Time and Expense Tracker App

I'm looking to develop a time and expense tracker that can be used on both web and mobile platforms. This app is primarily intended for employees who will submit their work hours, allocate those hours to a project and submit expenses to a manager... (Budget: $30 - $250 USD, Jobs: Android, App Development, Backend Development, Data Management, iPhone, Mobile App Development, PHP, UI / User Interface, UX / User Experience, Web Development)