Condor XC-007 vs. Condor XC MINI vs. V8/X6 Key Cutting vs. Korea MIRACLE A7

What's the difference among top 4 automotive key cutting machines in the aftermarket. 

Key cutting machine comparison:

Item Number	SL257	SL252	SL260	SL273
Title	V8/X6 Key Cutting Machine	CONDOR XC-007 IKEYCUTTER	Korea MIRACLE A7	iKeycutter CONDOR XC-MINI
Update	NO	YES,Online Update	NO	YES,Online Update
Language	English	English	English	English
Car list	Acura, AlfaRomeo, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Citroen, Daihatsu, Dodge, Ducati, Ferrari, Fiat, Ford, GCC, GMC, GreatWall, Holden, Honda, Hummer, Hyundai, Infiniti, Iveco, Jaguar, Jeep, Kia, Lancia, LandRover, LDV, Lexus, Lincoln, MAN, Mazda, Mercedes, Mercury, Mini, Mitsubishi, Nissan, Opel, Peugeot, Piaggio, Porsche, Proton, Renault, Rover, Saab, Scania, Seat, Skoda, Ssangyong, Subaru, Suzuki, Toyota, Vauxhall, Volkswagen, Volvo…	Same	Same	Same
Way of Key Cutting	1 Directly put key information 2 Copy key 3 Measuring key	Same	Same	Same
Applied Voltage	No limited	Need Setting, Original Voltage is 220V	No limited	No limited
If Original	Copy	Original	Copy	Original Xhorse
Which one is best ?	CONDOR XC-007 (SL252) is best one as it is most stable. CONDOR XC-MINI(SL273) is mini version of CONDOR XC-007. They all support online update. CONDOR XC-007 NO NEED connect with computer when you cut key, database is build in the main unit. Only when update you have to connect computer. While Korea MIRACLE A7(sl260), V8/X6(sl257) can connect with computer when cut key.