What is the difference between xtool d9 and d9 pro?

 What is the difference between xtool d9 and d9 pro?

Here is a table comparison:

Feature	Xtool D9	Xtool D9 Pro
Car models	70+	70+
Diagnostic systems supported	Engine, Transmission, ABS, Airbag, etc.	Engine, Transmission, ABS, Airbag, etc.
Special functions	Oil reset, EPB reset, SAS calibration, DPF regeneration	Oil reset, EPB reset, SAS calibration, DPF regeneration, ECU coding and programming
Touchscreen display	Yes	Yes
Live data streaming and graphing	Yes	Yes
Built-in WiFi	No	Yes
Software updates	Via USB	Via WiFi
Storage and memory	8GB storage, 1GB RAM	16GB storage, 2GB RAM

The Xtool D9 and D9 Pro have many similarities, including their wide compatibility with over 70 car models and their support for a range of diagnostic systems. However, the D9 Pro has some additional features, such as support for ECU coding and programming, which make it a more versatile and powerful diagnostic tool. It also has double the storage and memory capacity of the Xtool D9 and can receive software updates via WiFi, which is more convenient than using a USB.