This application connects an Android device to a ReFreeX instrument.ReFreeX is a simple digital technology for refrigeration.The actual version of this application monitors a single ReFreeX master board, on its PC side network connection.It requires a special Bluetooth converter to connect to the PC side of the master board.The Android device communicates through the Bluetooth channel. Once the communication is established, the system is able to monitor the readings parameters and to manage the settings parameters.An in-app purchase is required for each family of ReFreeX master boards, as H422V8, for instance.