Smart and trace App is widely used for its attendance system . Users can mark their attendance through this application while coming at office and also after leaving. Once the user login from its given credentials app will take user to its home page where user can check its name. After clicking on its name app will show the user the current location of its bus . This application is also used for bus tracking to check the arrival of bus at user's stop . user can check the time and current location of bus at any time. once the user gets into the bus he will mark its attendance through check - in button in morning and check out button in evening. So this application is a combination of bus tracking and marking attendance.