QR codes can be distributed through email, SMS, tickets, or mobile apps, and can be customized with branding. Scanned via a mobile app (no additional hardware needed), the QR triggers instant confirmations and alerts. With support for multi-session check-ins and geo-tagging, administrators can monitor attendance for each part of an event or shift, track late arrivals, re-entries, and ... https://mobiworkforce.com.sg/mobile-attendance-tracking-with-qr-codes/