Passqu is a practical and user-friendly mobile application developed for both individual users and businesses, combining daily task management with a QR code-based entry system. Users can download the app to create date-based tasks, easily manage to-do lists, and mark completed tasks to track their daily plans more efficiently. In addition to individual use, the application offers optional features for businesses, including pre-registering visitors, defining QR codes, and allowing visitors to quickly and securely enter by scanning QR codes. Furthermore, visitor processes can be systematically tracked and recorded. Passqu is fully usable independently of any organization, offering a powerful task tracking tool for individual users while providing an additional QR-based visitor management solution for businesses that need it.