PT4 is the software sequel to Poker Tracker 3 (PT3 is no longer updated by the developers). There are several tracker programs on the market and PokerTracker is (and has always been) one of the leaders. Poker tracker software is full of advantages PokerTracker 4 Main Features Our PokerTracker 4 review has all of the main features, plus the instructions for starting a free 15-day trial.