What is the difference between   Godiag GT327 ELM327   Super OBDII ENET adapter and regular OBDII Bluetooth adapters (Vgate, ELM327 etc)? Similarities  All these adapters support  Bluetooth 4.0  wireless connection. All these adapters are compatible with multiple OBDII diagnostic applications for  iOS and Android  system. Android app incl.   Torque, inCarDoc, CarScanner, MotorData OBD, DashCommand, OBD Car Doctor, Auto Doctor, MiniOBDI, EOBD Facile etc/ iOS app incl. OBDocker, MultiECUScan, inCarDoc, Dr.Prius, OBD Jscan, OBD Fusion, Carista, Car Scanner etc.   Connect GT327 to Apps on iOS Connect GT327 to Apps on Android   Differences: GT327 is a full-version ELM327 device with high quality inside board. GT327 will display voltage and give low voltage alarm.   Display voltage function:  If the voltage is lower than 11V, the device will sound an alarm and the user needs to charge the car battery with a dedicated car battery charger. After hearing the alarm, users should quit diagnose