Carprog v9.31 and Carprog 8.21.Caprog v9.31 is the latest version with the plug-and-play feature and no need activation, while Carprog 8.21 highlights the online feature and the most vehicle coverage.

Carprog full v7.28 vs. carprog v8.21 perfect online version vs. carprog v9.31

Product	Carprog with 21 adapters
Software version	Carprog V7.28	Carprog 8.21 firmware version	Carprog V9.31
Apparence
Online	NO	Yes, it’s the super online version.	NO
Activation	Activation after delivery	Activation after delivery	Activation before delivery;Directly use it
Operating system	Win XP, Win 7	Win XP,Win7,Win8,Win10	Win XP,Win7,Win8,Win10
Vehicle coverage	V7.28 carprog support the least models among the three versions.	V8.21 Carprog’s firmware is authorized more cars so that it support the most vehicle models.	carprog V9.31  supports more vehicle models than v7.28
	Models coverage: caprog v8.21 > v9.31 > v7.28
Software	All carprog versions above can work well with ECU-OPEL, OPEL CAN, PSG16, OPEC28 software.
Tokens	automatically get token renew after it used up
Function	Airbag reset —> BESTDashboard programming, immo (read pin code), MPU & EEPROM car ECU programming, radio decoding.
Conclusion	Carprog v8.21 is the best option for the most vehicle coverage and online use, while carprog 9.31 as a plug-and-play kit, is more convenient to use.

Customers Feedback: Carprog full ecu chip tunning feedback
Attachment: Carprog function list and adapter list
Carprog Airbag: 
S5.1 – VAG (Audi, VW, Skoda, Seat) Airbag Reset Tool
S5.2 – BMW Airbag Reset Tool
S5.3 – Mercedes Benz Airbag Reset Tool
S5.4 – FORD Airbag Reset Tool
S5.5 – GM Airbag Reset Tool by OBDII
S5.6 – CARPROG CR16 Airbag tool – Audi, Mercedes, Ford, Volvo
S5.7 – Renault Airbag reset tool
S5.8 – Peugeot Airbag Reset tool
S5.9 – Citroen Airbag Reset tool
S5.10 – Honda Airbag Reset tool
S5.11 – Audi Airbag reset tool by direct connection to EEPROM or MPU
S5.14 – Ford Airbag Reset tool by direct connection to EEPROM or MPU
S5.16 – Hyundai Airbag Reset tool
S5.17 – KIA Airbag Reset tool
S5.18 – Lexus Airbag Reset tool
S5.19 – Rover Airbag Reset tool
S5.21 – Mazda Airbag Reset tool
S5.22 – Mitsubishi airbag reset tool
S5.23 – Nissan Airbag reset tool
S5.20 – Mercedes Benz Airbag Reset tool by direct connection
S5.25 – Opel Airbag reset tool by direct connection
S5.27 – Saab Airbag reset tool by direct connection
S5.28 – Subaru Airbag reset tool by direct connection
S5.30 – Toyota Airbag reset tool by direct connection
S5.31 – Alfa Romeo Airbag Reset Tool
S5.32 – Fiat Airbag Reset Tool
S5.33 – Porsche Airbag Reset Tool
S5.34 – Suzuki Airbag Reset Tool
S5.35 – Volvo Airbag Reset Tool
S5.36 – Daewoo Airbag Reset Tool

3. CarProg Dash:
   S7.1 – VAG CAN programmer
   S7.2 – CarProg Dashboard programming
   S7.3 – CarProg Dashboard programming package update
   S7.5 – Mercedes Benz ASSYST explorer
   S7.6 – VDO dash decrypt tool – Skoda Roomster, SuperB, VW Polo, Audi A3, A6, Allroad with 93C86 odometer change and PIN reading
   S7.7 – Ford odometer change by OBDII (by CAN)
   S7.8 – VW 2007+ by OBD – Golf, Passat, Eos, Touran, Tiguan, Octavia with Micronas by diagnostic
   S7.10 – VAG VDO dashboards by K-line OBDII diagnostic – VW T5, Passat B5, Skoda SuperB and others
   2J74YAUDI – Audi 2J74Y repair software for CarProg4. CarProg Immo:
   S4.1 – Toyota Key Programmer
   S4.2 – Lexus key programmer
   S4.3 – Daihatsu Key Programmer
   S4.4 – CarProg BMW Key programmer
   S4.5 – Mercedes Benz Key programmer
   S4.6 – RENAULT Megane/Scenic infrared key programmer
   S4.7 – Kessy tool – A8, Touareg, Phaeton, Cayenne PIN code reader
4. CarProg Processor:
   S2.1 – CARPROG Motorola (Freescale) HC05 MPU programmer
   S2.2 – CARPROG Motorola (Freescale) HC11 MPU programmer
   S2.3 – CARPROG Motorola (Freescale) HC08 MPU programmer
   S2.4 – CARPROG Motorola (Freescale) 912 and 9S12 MPU6. CarProg Programmer:
   ST92 – ST92F120, ST92F150, ST92F250 internal EEPROM programmer7. CarProg Radio Code:
   S6.1 – CARPROG CC1
   S6.2 – CARPROG CC2
   S6.3 – CARPROG CCN
   S6.4 – Philips Car Radio decoder
   S6.5 – Renault Car Radio decoder by serial number
   S6.6 – Audi/VW/Seat/Skoda car radio decoding software
   RNS510 – Navigation decoding tool by Navi diagnosticCarProg Aaapters: