Its a best practice exam.

I passed SA pro
Pros -Most examlike practice exam
-Explanations are easy to understand compare to others
-Efficient Usage of colors Green for correct ones and red for wrong ones in explanation
-Have many different exam modes 1.Review mode 2.Section based 3.Timed mode etc etc
-Support Dark mode
Cons -Slow loading and crash at times compared to other practice tests like Udemy.
-Does not support mobile APP