lemma vs MatuMath

Train like a quant. Daily. Lemma is the focused, no-fluff prep app for quantitative interviews — built for students and grads targeting Jane Street, Citadel, Optiver, Two Sigma, and the rest of the trading-firm gauntlet. WHAT'S INSIDE WITH YOUR SUBSCRIPTION • Daily sprints — bite-sized timed sets of mental math, probability, combinatorics, expected value, and market-making problems • Per-category ELO — your skill is tracked across 10 disciplines, from Novice to Expert • Adaptive difficulty — problems chosen to keep you at the edge of your level, not above or below • Hints + step-through solutions — get unstuck without giving up • Streaks, XP, leagues — habit loops without the noise • Achievements — unlock as you grind • Leaderboard — see how you stack up WHO IT'S FOR • CS / math undergrads applying to trading firms • Recent grads prepping for technical interviews • Self-learners who want a daily quantitative-thinking habit • Anyone curious about how trading interviews actually feel WHY LEMMA We strip out the gamified clutter and keep what matters: hard problems, fast iteration, real numbers on your progress. The interface borrows more from a Bloomberg terminal than a typical mobile game — monospaced metrics, hairline borders, dark by default. Most prep books drown you in 800 pages. Most courses lock you in for months. Lemma is 10 minutes a day, sharpened every day. — Lemma offers an optional auto-renewable subscription for unlimited daily sprints and premium problem sets. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rogeru13.github.io/lemma-legal/privacy-policy/

MatuMath is the go-to app to prepare for the Swiss gymnasium maturité (high-school diploma) in mathematics — from the common core to the advanced level. Your entire syllabus, structured and corrected, in a single app: - 71 clear theory sheets, with definitions, formulas and figures — polished mathematical rendering. - 2,850 multiple-choice questions, all corrected and explained. - 40+ maturité exams (2006–2025), in timed or review mode, with detailed corrections and self-assessment. - 618 essential flashcards (definitions and formulas) with spaced repetition to retain knowledge for the long term. - Progress tracking: "syllabus mastered", study-day streaks, daily goal, and a personalized tip on the home screen. Tailored to YOUR level: - Standard (M1) or Advanced (M2) — the content adapts, the common core is shared. All subjects: Algebra, linear algebra, calculus, combinatorics, analytic and vector geometry, complex numbers, probability, trigonometry, powers/roots/exponentials/logarithms, and more. Built for efficient revision: - Tackle your mistakes first with a smart review system. - Cloud sync: pick up your progress across all your devices. No ads. MatuMath supports you all year long, right up to exam day. Terms of Use: https://conditions.matumath.com Privacy Policy: https://confidentialite.matumath.com