ACR-CV GUI
The ACR-CV GUI is used to do any changes within the LUA script, it allows you to enter interactive mode and to send chunk of codes (for example AT commands to the NB module) for easier integration or to flash a new firmware.
ACR-EX GUI
ACR-EX GUI is a graphical user interface for ACR-EX devices. It is a tool that allows you to configure and readout your ACR-EX devices.