Here a comparison table among AUTOPHIX OM127 vs AUTOPHIX OM123 vs AUTOPHIX OM121.


Image autophix-om121-eobd-can-engine-code-reader-180 autophix-om123-obd2-eobd-can-hand-held-engine-code-reader autophix-om127-jobd-eobd-universal-scanner-s
Product name AUTOPHIX OM121 Universal OBDII Auto Code Reader AUTOPHIX OM123 Universal OBDII Scanner AUTOPHIX OM127 OBD2 Scanner
Price $21.99 $31.99 $55
Reads and displays DTCs
Erases DTCs
Reads live data stream OBDII
Views freeze frame data OBDII
I/M readiness status OBDII
Displays live O2 sensor test data
Displays On-board monitor test results
Check Vehicle components work status
Retrieves vehicle information (VIN,CIN and CVN) OBDII
Reads, records & playbacks live sensor data, DTC and freeze frame data Reads, records & playbacks live sensor data
Fuel Economy Analysis
Trip information
Support JOBD protocol with check Japanese vehicles
On-Screen live data graphing
Built-in code library
Multilingual menu options and code definitions
Color Screen
Smart 8 Line Display 128 x 64 easy-to-read backlit LCD display with adjustable contrast
16-pin OBD2 cable
Durable Nylon Storage Case
CE, FCC, RoHS certification
FREE internet updates via USB cable



As you can see, AUTOPHIX OM127/ OM123/ OM121 are the cheap alternative of Autel AutoLink, Launch Creater. They can be a must-have basic OBDII code scanners for the DIYers.