VDM UCANDAS

Function: VDM UCANDAS has the basic diagnostic function, and also Key programming, Oil change and more (see the detailed function in OBD365.COM website).
Supported vehicles: it supports total 47 car brand from European, Asia, USA, China and Australia, therefore it has much language options.

Features: It can be connected by USB Cable or WIFI with a range of 50 meters.
Update: The user can update software on UCANDAS official website for one year free.

Distinct feature: VDM UCANDAS doesn’t need Active or Register before using.

Xhorse VDM UCANDAS VAG Commander 19 with BMW Commander

SVDI

Supported vehicles: Xhorse SVDI is the rare tool that can cover both car and truck VAG (VW Audi Seat Skoda)vehicles as well as BMW and Mini BMW models diagnosis.
Function: SVDI has the basic diagnostic function, as well as ECU programming, Correct odometer, immobilizer (read pin code) , airbag reset and more.

VAG Commander software is multi language options: English, Simplified Chinese, German, Spanish, French, Russian, Italian, Danish, Czech and Bulgarian.

Update: SVDI is easier to update, the user only needs to send the seller serial number and receive the updating software

Reason to recommend: powerful than VVDI but cheaper, only 600USD and 2 times cheaper than VVDI.

VDM UCANDAS

Autoboss V30 Elite

Autoboss V30 Elite has a middle-sized screen, it is stand-alone tool no need to connect with PC.
Function: More than just reading & clearing fault codes – goes far beyond and accesses the complete vehicle, including: drive line, chassis, body, and the networking/communication modules and it has special function including: self-Learn function, comparison function, Record function.

Supported car models: v30 elite cover more than 57 makes (from America, Asia, Europea, Austria), 40,000 vehicle systems. It covers more models even than Maxidas and Diagun.

update: online update for one-year free,  just input the number of the machine and password and it show you the new update that you need do it, the machine will supply the detailed update way.

Price: Autoboss V30 elite is the a little bit expensive, about $1400USD.

Reason to recommend: it is powerful with multi function and frequently-update available.

VDM UCANDAS

Tuirel S777

Tuirel S777 has a touch screen, it is stand-alone tool no need to connect with PC.
Function: It has the basic diagnostic tool function including: read and clear trouble code, read data stream, actuation test and so on.
Supported car models: Tuirel S777 cover 46 car makes from Europe, Asia and USA, the car model software is available with free download from official website: http://www.tuireup.com/, like Launch iDiag.

Update: the user can update Tuirel S777 on official website: http://www.tuireup.com/ frequently.
Price: it is cheaper, only about $430usd, it is worth to have a try.

Reason to recommend:
1) It is available to free download any car make software in the site. 2) It is cheap.