Pocket Prep Mock Exam, Help!

I'm on my last 11 days to sit for the CAPM Exam, and have noticed something in the Pocket Prep Mock Exam.

In my first attempt I got 85%, my second attempt is 93%.

However, I noticed that the Mock is the same as always. I've got that 93% in my second attempt because the question are the same as my 1st attempt. I thought the mock exam will cover the 1550 questions from the Pocket Prep question bank.

Do you notice it as well? Or I have just the only one experiencing this? Does you Pocket Prep Mock exam changes like new questions?

Now, to supplement my mock I use the "Build your Own" feature with 150 questions and I have a timer on my phone to track my pacing. And my score is now 67% lol🤣 because I choose the unanswered questions from th bank and really hard questions now I am answering.

Btw, in the level up feature I completed up to Level 8 in all areas.