CATQR Class Attendance Tracker is a free, ad-free, and beautifully presented QR Code Scanner designed specifically for tracking class attendance. With its fast, secure, and easy-to-use interface, users can simply point the app camera at any QR Code to instantly see the decoded results.

The app conveniently stores the QR Code scan history and class attendance in the app calendar, allowing users to easily access and manage their attendance records. Users can click on the Year or Month to view their scan history records for that period, and click on the Date to toggle the display of scan history records for that specific day.

Additionally, users can search their scan history by keyword and receive an email of their scan history. The app also offers a swipe gesture feature, where swiping right on a scan history record reveals the QR Code, and swiping left deletes the record. If a scanned QR Code is an internet link, users can simply click on the WWW icon in the scan history record to access the link.

CATQR Class Attendance Tracker also offers organizer analytics through its website. Organizers can create a CATQR Code for a specific class and track attendance in real-time. Students using their own CATQR app can scan the organizer's CATQR Code and see the class title, date/time, and organizer's name in their scan history. Organizers can view the students that have attended their class in real-time and export the attendance to an Excel spreadsheet.