iCarScan vs EasyDiag4 Usage & Stats
1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc.
2. Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information.
3. Support vehicle maintenance light return to normal.
4. Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers.
5. Support automatic VIN reading and one-key diagnosis.
6. Clear interpretation of fault codes and generate professional diagnostic reports.
- Apple App Store
- Free
- Utilities
Store Rank
- -
EasyDiag4 vehicle diagnostic application is a vehicle fault diagnosis tool software developed based on the mobile intelligent terminal platform. It is suitable for the vehicle maintenance market. It uses a dedicated connector to perform data Bluetooth interaction with the vehicle and supports one-click intelligent diagnosis. It can realize fault diagnosis for full systems such as power system and safety system, involving Read DTCs, Read Data Streams, Clear DTCs, and Reset Service Lamp.
The software contains EOBD, maintenance and special function software, mainstream model diagnostic software, etc. It can meet the actual needs of most users for testing vehicles.
- Apple App Store
- Free
- Utilities
Store Rank
- -
iCarScan VS. 
EasyDiag4January 15, 2026