MindSpan Memory Booster vs Preflo Dojo

Watch. Remember. Answer. MindSpan trains the most important cognitive skill you have: working memory. A shape moves across the screen. You watch. Then you answer: what was it? What color? What pattern? Sounds simple. It isn't. HOW IT WORKS Each round, a geometric shape — triangle, star, polygon, moon — travels along a path. Your job: hold it in mind, then identify it from a set of options. As you improve, shapes move faster, paths grow more complex, and the distractors look more alike. CHALLENGE LEVELS Between the memory rounds, brain-teasers change the pace — mental math, logic and odd-one-out puzzles, lateral-thinking riddles, and number patterns. The question stays on screen; you reason it through. Memory and reasoning, woven together, so no two sessions feel the same. WHAT YOU'RE TRAINING Working memory is the brain's scratchpad — the ability to hold and manipulate information in real time. It underlies reading comprehension, mental arithmetic, decision-making, and sustained focus. Research consistently links working memory capacity to fluid intelligence and learning ability.

Learn the right preflop play — and the reason behind it. ■ A written explanation for all 7,700 questions Every question explains why that hand is a fold, a call or a raise, so you carry the reasoning over to hands you have never seen. (Explanations are written in Japanese; the app interface is fully in English.) ■ Answers come from a GTO solver Every scenario is based on the output of the same GTO solvers professional players use — game-theory optimal decisions, not rules of thumb. ■ No ads, no account, works offline Nothing interrupts a session, no sign-up is required, and every feature keeps working with no connection. All data stays on your device. ■ GTO Drill (7,700+ scenarios) Random situations test your Fold / Call / Raise decisions. The other seats act out their decisions before the action reaches you. Answer and you immediately get the correct play, the reasoning, and both your range and your opponent's. Advanced levels add frequency questions like "What % do you 3-bet A5s?" 20 questions per session — stop partway and your answers are still recorded. ■ Choose what you drill Filter by table size, stack depth, position and hand type to grind the spots you keep getting wrong. ■ 169-Hand Range Viewer Interactive 13×13 hand matrix showing GTO ranges by position. Color-coded Raise / Call / Fold for intuitive range visualization. ■ Learning Courses (3 Levels) Level 1: Open raise fundamentals (RFI decisions) Level 2: Facing raises and 3-bets Level 3: Squeezes, mixed strategies, short stacks ■ Stats Dashboard Track accuracy, position-by-position analysis, and weak spots with charts. Focus your review on the hands you struggle with most. ■ Tables & Stacks 6-max focus, with 9-max RFI ranges included. Advanced level adds 20bb short-stack strategy.