GTO solvers are basically a super calculator for poker which allows players to set-up a hand scenario and find the optimal solution to that situation. You basically ask the solver a question and it gives you the GTO answer.
One way or the other, what is the best poker solver?
Plus, what does GTO stand for in poker? Game Theory Optimal
Apart from this, what is a solver in poker?
As the name suggests, a 'solver' is a powerful piece of poker software that offers 'optimal' solutions to a specific, user-inputted scenario. ... At their most basic level, solvers inform players how to play their range correctly based on the actions and bet-sizes at play.
Does PokerStars allow HUD?
Does PokerStars allow HUDs? Yes. PokerStars has a complicated history with HUDs, as a large portion of their players are experienced online poker players who utilize tracking software to their advantage. PokerStars currently does allow some HUDs and maintains a list of ones that are allowed.