The core of a guard tour mobile app lies in its ability to verify a guard's presence at designated locations. This is achieved through various digital checkpoint technologies. Guards use their mobile device to scan unique identifiers, such as QR codes, NFC tags, or RFID chips, strategically placed at critical points throughout a facility. This action creates a time-stamped, geotagged ... https://exigasoftware.com.sg/guard-tour-mobile-app/