| Function/Type | GD801_ODO_EN | |
| Nissan calculator | √ | |
| Display program | DP50_DISPLAY | √ |
| Maintenance Reset | MAINRESET | √ |
| OBDⅡEngine | OBD | √ |
| Meter | VWH | √ |
| SKODAH | √ | |
| AUDIH | √ | |
| SEATH | √ | |
| PORSCHE | √ | |
| BENZH | √ | |
| BENTLEY | √ | |
| FORD | √ | |
| CHRYSLER | √ | |
| GM | √ | |
| HYUNDAI | √ | |
| INFINITE | √ | |
| KIA | √ | |
| MAZDA | √ | |
| MITSUBISHI | √ | |
| NISSAN | √ | |
| SSANGYONG | √ | |
| SUBARU | √ | |
| SUZUKI | √ | |
| GREATWALL | √ | |
| GEELY | √ | |
| FIAT | √ | |
| CITROEN | √ | |
| BESTURN | √ | |
| LANDROVER | √ | |
| JAGUAR | √ | |
| MG | √ | |
| ROEWE | √ | |
| RENAULT | √ | |
| PROTON | √ | |
| PEUGEOT | √ | |
| OPEL | √ | |
| VOLVO | √ | |
| SMART | √ | |
| TOYOTA | √ | |
| Subaru | √ | |
| Lexus | √ | |
| ALFA | √ | |
| FERRARI | √ | |
| BMW | √ | |
| MASERATI | √ | |
| LANCIA | √ | |
| IVECO | √ | |
| Operation System | Android 5.1.1 |
| CPU | RK3128 Quad-core, ARM Cortex A7@1.2Ghz |
| Battery | 3800mA, rechargeable polymer lithium battery |
| Extension memory card | 32G Micro SD (TF) card supported |
| Storage capacity | 16GB |
| LCD | 7 inch |
| LCD resolution | 800*480 |
| Touch screen | capacitive touch screen |
| Wifi | supported |
| Working temperature | -20℃～55℃（14℉～131℉） |
| Storage temperature | -20℃～70℃（-4℉～158℉） |
| Weight | 850g |
| Dimension | 214*133*28mm |
| Item Name | GODIAG ODOMASTER | OBDSTAR ODOMASTER | OBDSTAR X300M |
| Image |  |
 |
 |
| Price | €521 | €695 | €190 |
| Software function | |||
| Read Odometer | √ | √ | √ |
| Write Odometer | √ | √ | √ |
| Read Flash | √ | √ | x |
| Write Flash | √ | √ | x |
| Read EEPROM | √ | √ | √ |
| Write EEPROM | √ | √ | √ |
| OBDII Diagnosis | √ | √ | √ |
| Oil Service Reset | √ | √ | x |
| Wide Vehicle Coverage | √(Do not support Bentley, Alfa, Ferrari, Maserati) | √ (Do not work on Honda) | √ |
| One-Click Upgrade | √ | √ | x |
| Software update | Free Update Online for One Year | Free Update Online for One Year, No Need Tokens | No more update |
| Language | English, French, German, Spanish, Russian, Italian, Portuguese, Polish (Default English, for the other language, please submit the serial number to the dealer) |
English | English |
| Specification | |||
| Operation System | Android5.1.1 | Android5.1.1 | Linux |
| Camera | supported | supported | Not support |
| CPU | RK3128 Quad-core, ARM Cortex A7@1.2Ghz | RK3128 Quad-Core ARM Cortex A7 @1.2Ghz | / |
| Battery | 3800mA, rechargeable polymer lithium battery | 2600mA, rechargeable polymer lithium battery | / |
| Extension Memory Card | 32G Micro SD (TF) card supported | 32G Micro SD (TF) card supported | / |
| Storage Capacity | 16GB | 16GB | 8GB |
| LCD | 7 inch | 5 inch | 160MM |
| LCD resolution | 800*480 | 800*600 | 160*160 |
| Touch screen | capacitive touch screen | capacitive touch screen | / |
| Wi-Fi | supported | supported | Not support |
| Weight | about 850g | about 700g | about 850kg |
| Some vehicle coverage comparison | GODIAGODOMASTER | Odo Master | X300M | |
| FORD | FIESTA | 2017- | 2017- | 2013- |
| FOCUS | 2019 | 2019 | 2013- | |
| TRANSIT | 2018- | √ | × | |
| KA | 2018- | 2018- | 2015- | |
| GM | COLORADO | 2018- | 2018- | 2005- |
| CRUZE | 2017- | 2017- | 2010- | |
| ESCALADE | 2018 | 2018- | 2015- | |
| XT6 | 2021 | 2019 | / | |
| YUKON | 2017- | 2017- | 2014- | |
| CHRYSLER | CHEROKEE | 2018- | 2018- | 2015 |
| RAM | 2018- | 2018- | 2011- | |
| DURANGO | 2018- | 2018- | 2014- | |
| LANDROVER | DISSCOVERY 4 | 2015- | 2015- | / |
| RANGE ROVER SPORT | 2017- | 2017- | 2014 | |
| VW | MQB 2012-2014.06 | √ | √ | × |
| MQB 2014.06- | √ | √ | √ | |
| RENAULT | CAPTUR | 2017- | 2017- | / |
| TRAFIC IV | 2017- | 2017- | / | |
| KIA CEED | 24C16 | √ | √ | √ |
| D70F3423 | √ | √ | √ | |
| D70F3XXX | √ | √ | × | |
| D70F3421 | √ | √ | × | |
| D70F35XX | √ | √ | × | |
| NEC | √ | √ | × | |
| NEC+24C16 | √ | √ | × | |
| KIA Optima | 24C16 | √ | √ | √ |
| D70F3536 | √ | √ | √ | |
| D70F3421 | √ | √ | × | |
| D70F352X | √ | √ | × | |
| D70F35XX | √ | √ | × | |
| NEC | √ | √ | × | |
| NEC+24C16 | √ | √ | × | |
| NISSAN | ALTIMA 2013 | √ | √ | √ |
| KICKS 2017- | √ | √ | × | |
| MITSUBISHI | OUTLANDER | √ | √ | × |
| TRITON 2015- | √ | √ | × | |
In conclusion:
1. Feature:
GODIAG Odomaster : Odometer adjustment (Read/write KM+ EEPROM+ Flash) + OBDII Diagnosis+ Oil Service Reset
OBDSTAR ODO Master: Odometer adjustment (Read/write KM+ EEPROM+ Flash) + OBDII Diagnosis+ Oil Service Reset
OBDSTAR X300M: Odometer adjustment (Read/write KM+ EEPROM) + OBDII Diagnosis
2. Language:
GODIAG ODOMASTER Meter> ODO Master=X300M
3. One-Click Upgrade:
GODIAG ODOMASTER Meter= ODO Master>X300M
4. Price (cheap):
X300M OBDSTAR >OBDSTAR ODO Master>GODIAG ODOMASTER
5. Vehicle coverage:
The car models supported by GDIAG and Odomaster are newer than X300M OBDSTAR.
GODIAG supports the same car models as ODOMASTER except Bentley, Alfa, Ferrari and Maserati.
