30 SGD per month covers the software and monitoring, potential users should inquire about any associated upfront costs for setting up the system. This might include the cost of printing and placing QR code stickers at checkpoints, or potentially the provision of dedicated scanning devices if guards are not using their own smartphones. It's advisable to contact providers like Exiga Sof... https://exigasoftware.com.sg/qr-code-guard-tour-system/