Vident iLink400, Foxwell NT520 and iCarSoft Comparison

VidentStore.com here makes a comparison among  the Top 3 full-system single make obd2 diagnostic scanners including ilink400, NT520 and icarsoft.

	Function	Vident iLink400	Foxwell NT520 Pro	iCarsoft
OBD Functionality	Perform 10 OBDI and OBDII/EOBD test modes	Yes	Yes	Yes
Full System Diagnostic Functionality	Works on almost all electronic systems	Yes	Yes	Yes
	Reads and clear codes	Yes	Yes	Yes
	Reads/records/graphs live sensor data	Yes	Yes	Yes
	Freeze frame data	Yes	Yes	Yes
	ECU information	Yes	Yes	Yes
	Multilingual menu and codes	Yes	Yes	Yes
	Code troubleshooters	Yes	Yes	Yes
Hardware features	Hot keys for quick access of data	Yes	Yes
	Color screen	Yes	Yes	Yes
Special functionality	Bi-directional control tests	Yes	Yes
	EPB Service	Yes	Yes	Yes
	Oil Light Reset	Yes	Yes	Yes
	DPF Reset	Yes	Yes
	SAS(Steering Angle Sensor Calibration)	Yes	Yes	Yes
	Battery Configuration	Yes	Yes
	TPS/TBA(Throttle Body Alignment)	Yes	Yes
	Other Service Maintenance Function
Update	Free Update Period	3 years	Life time	Free, but no update
Coverage	AU Ford	Yes		Yes
	Aston Martin	Yes	Yes
	Ford, EU Ford	Yes	Yes	Yes
	BMW, Mini and Rolls Royce	Yes	Yes	Yes
	Chrysler	Yes	Yes	Yes
	Citroen	Yes
	Ferrari	Yes	Yes
	Fiat, Abarth, Alfa Romeo and Lancia	Yes	Yes	Yes
	GM	Yes	Yes	Yes
	Honda	Yes	Yes	Yes
	Hyundai, Kia	Yes	Yes	Yes
	Holden	Yes	Yes	Yes
	Land Rover, Jaguar	Yes	Yes	Yes
	Maserati	Yes	Yes
	Mazda	Yes	Yes	Yes
	Mercedes Benz	Yes	Yes	Yes
	Renault, Dacia	Yes
	Peugeot	Yes	Yes	Yes
	Porsche	Yes	Yes	Yes
	SsangYong	Yes
	Subaru	Yes
	Toyota, Lexus and Scion	Yes	Yes	Yes
	VW Audi SEAT Skoda	Yes	Yes	Yes
	Vauxhall,  Opel	Yes	Yes	Yes
	Volvo	Yes	Yes	Yes

In conclusion:

All these scanners come with one car software, you can add more car brands by purchasing additional software.

Vident iLink400 supports Citroen, Renault, SsangYong and Subaru software, while the other two does not.

Source from http://www.videnttool.com/