PLAST App has been developed with the aim to provide a simple means for making human readable all type of barcode on board to electrofusion fittings and easily verify engineering data related to butt welding times and torque force to be applied to flanged joints. PLAST App was developed with the aim of providing a simple means to make all types of barcodes applied to electrofusion fittings readable by humans, easily verify engineering data related to butt welding times and welding force. torque to be applied to the flanged joints.