I see someone ask which car key programmer is better on the forum, AD900 or ZED-BULL? They just look the same, and similar in function. Following I want to make an analysis about price, function, ease of use and so on. Hope it can help you!

Zed-Bull only expense users about US$100.

Zed-Bull Key Programmer is a transponder cloning device which contains all of Zed-Qx's features and also has more additional features. it can do PIN Code Finding, preparing recoded transponders and programming transponders from EEPROM and MCU. Transponder Cloning, but please attention: the function of 4D copy and TPX is not available now. Producing Transponders for OBD Programming; Hitag2 Transponder Programmer; ZedBull will fulfill all of your requirements as professional on Immobilizer Systems.

Multi-Language:Language: English, Turkish, Italian, Spanish and Portuguese.
New feature: support 8C and 8E chips distinguish function
Ease To Use: Wide screen of ZedBull will show you much more .... With ZedBull's wide screen, you can see more information like, VIN number and kilometer info for BMW cars, detailed information for 46 and 48 transponders, etc.

AD900 key programmer only price consumers about US$150.

AD900 Key Programmer with 4D copy function can read out and has detail explanation for such transponders as: 11, 12, 13, T5, 33, 40, 41, 42, 44, 45, 4C, 4D. AD900 key programmer can program the eeprom of ecu and programming key. it support on programming the transponder key and remote for Audi A8, VW Touareg,VW Phaeton,English BENTLEY, and BMW E38, E39, E46, E53, E60, E61, E63, E64, E65, E66, E87, E90, E91, E92, EWS3, EWS3+, EWS4, CAS, CAS2, CAS3. also it can write and unlock for the special transponders: Change the pincode for Kia and Hyundai and Unlock the ID 48 Transponder, ID 33 for Renault, ID 46 for Renault, ID 41 for Nissan and ID 42 for VW.
AD900 come with the Hitag 2 function. added new function: 8C and 8E chip read.

To sum up, these two tools have their advantages, no tool can do all functions, but they can be well supplemented by each other. If you want the Car Key Programmer, please don't hesitate, go to our site online store to order: