absence.io - 2026 Pricing, Features, Reviews & Alternatives

absence.io is a web-based leave and absence management system which can be used to track multiple types of time off, including sick days, paid vacation, and off-site training. The system can be used for project teams, departments, or whole companies, and includes native iOS and Android apps for leave requests, absence reporting, approvals, holiday entitlement calculations, and more.

absence.io aims to streamline the paid time off (PTO) tracking system by allowing users to apply for and approve leave online, and removing the need for repetitive manual data entry by automatically updating data throughout the system when changes are made. Employees can request leave directly through the integrated absence calendar, by clicking on the desired dates. Approval request emails are then automatically generated and sent to the designated approver, selected from a list of user with approval permissions by the employee making the request. Approvers can access information on all other booked leave or leave requests for the relevant team, allowing them to make informed decisions to prevent overbooking or leave conflicts. Team leaders can then modify staffing as necessary to cover absences.

Users can set custom working day configurations and public holidays in absence.io, and adjust these for the whole company, teams, or individual employees. Residual leave is automatically calculated when leave is booked, and users can define rules to allow it to rollover at end-of-year, or set expiration dates after which the allowance is lost. For sick days, absence.io notifies users of missing doctor’s notes or medical certificates, allowing reminders to be sent out to employees.