PreFlop GTO Holdem Trainer

PreFlop GTO Poker Trainer is a free, offline Texas Hold'em preflop trainer: 13x13 GTO range charts for open / defend / 3-bet / 4-bet / squeeze spots, our own computed push/fold Nash for 4-25bb stacks, a personal leak analyzer, and a 20-day training plan.

WHY IT'S DIFFERENT
- Honest by design. We never fake EV numbers or mixed frequencies. Hand-tuned ranges are clearly labelled "reference ranges"; only the spots we can actually solve (push/fold all-in equity) show real Nash numbers.
- Works offline. The whole trainer runs on your device - drill on a plane, on the subway, anywhere.
- Free core, forever. The trainer, range charts and mistake review stay free. Pro unlocks the power tools, never the basics.

WHAT YOU GET (FREE)
- Pre-flop trainer: open / defend / vs 3-bet / vs 4-bet / squeeze / push-fold, cash & MTT.
- 13x13 range charts you can study hand by hand.
- Smart deal: balanced question bank that mixes raise / call / fold / all-in and only borderline folds - no obvious trash.
- Mistake review pile with light spaced repetition, so your leaks stay drillable.
- Pre-flop diagnosis: an 18- or 45-hand test on the real table, with an explanation after every hand, then a personalised report.
- A built-in course in five chapters - foundations, the main line, short stacks and push/fold Nash, ICM, and a leak-fixing chapter built from your own mistakes. Lessons read the same range data the trainer deals from, so they can't contradict the drill. The first two chapters are free, the short-stack and ICM chapters open with a free lesson, and Pro lessons open their first page for free.
- Miss a hand and one tap opens the lesson for that exact spot.
- Daily challenge: the same 20 hands for everybody that day, with a streak. Optional timed mode.

PRO
- Personal profile & leak analyzer - your tendencies (too loose / too tight / passive / aggressive), most-missed spots, one tap to drill.
- 20-day personalised training plan with daily, do-able cards and a streak.
- Our own computed push/fold Nash (9-max 4-20bb, 6-max 6-20bb, BB call-off, heads-up 5-25bb) - measured exploitability shown, not assumed.
- Range-vs-range equity calculator, with optional flop/turn/river boards.
- Custom-table ICM calculator: enter your own stacks and payouts; it solves that bubble spot on your device and reports the measured exploitability of its own answer.
- SNG bubble ICM push/fold across several table shapes, including satellites, 6-handed final tables and PKO bounty tournaments (bounties are counted by stack share - an approximation, labelled as one).
- Import your own solver output as CSV. It stays on your device and is tagged "Imported" - never passed off as our own solve.

TRAIN MIXED STRATEGIES & COMPARE CHARTS
- Frequency mode (free, in settings): where the solver mixes, a slider asks how often you'd take the main action, graded against the solved frequency. Only in our computed Nash spots - reference ranges have no real frequency.
- RNG mode (free): a 0-99 dice roll picks which side of the mix you play, so you practise executing by frequency.
- Villain's range in the feedback (free): in computed spots it's his table from the same equilibrium; elsewhere it's labelled a reference range.
- Nash charts: two charts side by side with differences highlighted (Pro), big blind call-off vs a jam from each position, reshove (3-bet all-in) Nash for 15-25bb (Pro), and one-tap export as a range string.
- PKO bounty ICM (Pro): next to regular ICM at the same stacks, to see how bounties change jamming and calling ranges.

LANGUAGES
The interface is available in English, Simplified Chinese, Japanese, German, Spanish, Portuguese, French and Korean.

Built by a squirrel who hates fake GTO. Honesty over flash.

Note: an educational study & training tool for poker theory. No wagering, no payouts, no real-money play of any kind.

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