Anyone who plays online poker seriously uses a hand tracker. When you play online, each hand is saved as a .txt file. People have written software for it, its usually 40$-100$. Its usually a postgres database that allows for easy access to every hand, filterable by position, profit/loss, opponent, etc.

The two most popularly used are: http://www.holdemmanager.com/ https://www.pokertracker.com/

There is a lot more to winning than just owning a HUD, it takes a lot of skill to manipulate statistics properly to observe weaknesses in your opponents.