Adrena HR is a mobile app designed for employees and superiors so they can proactively perform self-service HR administrations online. The HR processes within an organization now can roll effectively without any time-consuming delays and unnecessary paperworks. Adrena HR features: For Employees * Monitor work schedule, overtime assigments, available leave rights, etc * Attendance check-in/check out * Submit annual leave, permit, and overtime requests * View decision letters related to the em