They are not the same. I have two of the Blue Heist, and also have a Heist Pearl and have owned a Heist.
The Heist for me was a med/strong ball with a 4" pin to pap drilling. It was a very smooth rolling piece.
The Heist Pearl for me was a very weak ball with a 5" pin to pap drilling & a nice roll on the backend. Not snappy like you would think a pearl to be. I was able to play closer to the channel with this ball, playing right down 10.
The Blue Heist, with a 2" pin to pap drilling, is a very clean piece through the heads, and a strong almost angular move on the backend. I am standing about 8 left of the Heist Pearl. Playing around 16 at the arrows with a swing out to 5. And like I said, it has a very big move on the backend.
Also, if I recall, I believe the Blue Heist is a different cover and core.
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