GT_O: GTO Poker Trainer

Every hand in GT_O has already been solved. You pick an action, the hand plays on, and you find out what the solver did with that exact holding and what your pick cost in big blinds.

THE DAILY ROUND Twenty hands a day, preflop and postflop. You act, the hand runs out, and the grade lands in place. A new round every morning, and a streak that survives a missed day for each shield you have banked, up to two.

WHERE THE SOLVES COME FROM The solves are ours. GT_O runs its own engine and solves every hand before it ships, for the exact board and the exact stack depth, nine-handed with antes in the pot. Not cash-game charts stretched to fit a tournament. A day publishes only when its solves clear our accuracy bar. If they don't, the day doesn't go out.

GRADED ON COST, NOT ON FREQUENCY Solvers mix so they cannot be read, which means several actions are often worth exactly the same, and GT_O counts all of them correct. It flags a pick only when it gives up real value, however often the solver takes that action, and shows you what it cost.

THE FULL SOLVER OUTPUT Open any hand you have played: every action the solver weighed, how often it took it, and how far each one sits from the best line.

AI EXPLANATIONS, SOLVER NUMBERS The mix and the EVs are the solver's. The words are written on top of them: every hand carries a note generated from that hand's own solve figures and checked against them before it ships. It explains the decision you were actually facing, the street, the line you took, the branch the villain put you in, not just the hand in general.

PREFLOP CHARTS The 13x13 grid for every seat at 10, 20, 40 and 100 big blinds, colored by what the solver does with each starting hand. Nine-handed tournament ranges with antes, not a cash-game chart. Tap a cell for the exact mix. Star the ones you keep coming back to.

YOUR NUMBERS Accuracy over the last 30 days, hands graded, current streak, longest streak, shields in the bank.

FRIENDS AND LEADERBOARDS Everyone gets the same twenty hands, so the day compares directly. Add friends by name and the daily board ranks you on the big blinds you captured out of what was there to win. There is a rolling seven-day board as well, and a same-hands view that sets your line beside a friend's on the hands you both played.

SHARE THE ROUND A finished round prints as a card you can send anywhere: the hands you played, what each one cost in big blinds, and the spot behind it. The same-hands recap shares the same way, your line beside your friend's.

FREE Three hands a day without an account. Sign in with Apple for five, and your streak follows you between devices. One written explanation a day either way.

GT_O PRO

• The full twenty hand round
• Any past day in the calendar, replayable
• Written explanations with no daily limit
• Five invites, each a free month of Pro for a friend, redeemed through the App Store

$9.99 per month or $99.99 per year. Prices may vary by region. New subscribers get 7 days free. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the period ends, and you can manage or cancel in your Apple Account settings.

GT_O is a study tool. There is no wagering, no real money, and nothing to buy but the subscription.

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