WhoIsIn is a free biometric attendance tracking system available for Android. Developed by Wondersoft, this program is designed to track the attendance and movement of employees, especially for businesses with multiple offices. WhoIsIn provides complete visibility of human resources, enabling better management and control, with lots of value-added features.

Unlike other attendance tracking systems that focus solely on tracking the entry and exit of employees, WhoIsIn uniquely tracks the presence of the employee too. This feature sets it apart from the rest, making it a comprehensive attendance tracking system. WhoIsIn is web-based, making it accessible from anywhere at any time. It is a must-have for businesses looking to streamline their attendance tracking process.