Which is the best key programmer, X100 Pro or XTOOL X300 Plus X300+?

Which is the best key programmer, X100 Pro or XTOOL X300 Plus X300+?

X100 Pro Auto Key Programmer is a handheld device for programming keys in immobilizer units on vehicles. Compared with the XTOOL X300 Plus X300+ , it lacks of the special functions. Because the XTOOL X300 Plus X300+ can support those function. The similarity of the XTOOL X300 Plus X300+ with X100 Pro is key programming function!

Original XTOOL X300 Plus X300+ Special Function: 

OBD-II engine diagnosis
Oil Reset/Engine oil light reset
Tire pressure warning light reset (manual operation)
Timing belt light reset (manual operation)
EPB Electronic Brake changes brake pad
Throttle matching
Support the latest vehicles with CAN BUS and UDS protocol
With full and strong database for the most important vehicle makes.

For the interface appearance, the X100 Pro and the X300 Plus are almost look the same except the color.