Our GPS-based mobile attendance solution eliminates the guesswork from event attendance. At under 1 SGD, this device provides an unequalled mix of accuracy and cost. Organizers can construct virtual perimeters (geofences) around event venues, and the mobile app will only accept clock-ins from within these boundaries. This powerful function ensures the accuracy of your attendance data.... https://mobileattendance.com.sg/event-gps-attendance-tracking-software-system-2/