The Tatatonga app allows employees to register their attendance by connecting their mobile phones to a Bluetooth 5.0 beacon at their workplace. The enterprise must first set up the beacon and register each employees account in the ERP system. After that employees install the app to record their attendance on work days with mobile-phone. The employee doesnt need to pay any fee for using the app they just sign in with their ERP account. This app requires Bluetooth access for the attendance system to communicate with the office beacons. In addition to attendance tracking, the app also allows employees to view and edit their personal information, including their profile pictures.