中考单词闯关王 vs Mathio

中考单词闯关王是一款专为初中生打造的中考词汇背诵应用，由一位北京海淀的初中生开发，也希望帮助更多备考学生。App 紧扣中考词库，用闯关、连连看和错题复习让背词更轻松、更有成就感。

Math, made simple. Practice that actually remembers what you know. Mathio is a calm, focused math trainer for school, homework, exam prep, university foundations, and self-study. It now combines adaptive lessons, Learning Health, a Study Coach, daily challenges, review forecasts, 7-day focus plans, comeback missions, 3-session plans, weak-spot practice, exam readiness, exam sprints, achievements, spaced repetition, and a formula reference in one clean learning flow. WHO MATHIO IS FOR • Students who need structured practice for homework, quizzes, finals, SAT-style prep, or university refreshers • Learners preparing for exams who want short, mixed sessions instead of random worksheets • Parents who want a clear math practice app without noisy gamification or ads • Self-learners rebuilding fundamentals before algebra, calculus, statistics, finance, exam review, or discrete math • Anyone who learns better with two focused minutes every day than one stressful cram session ▸ PERSONAL DAILY PLAN Mathio recommends what to do next: review due questions, continue the right lesson, follow your next 3 sessions, hit your daily goal, or open a focused weak-spot drill. ▸ EXAM SPRINTS Premium users get 10-question mixed mini-tests built from review, weak spots, and the next useful lesson. Perfect for quick exam prep and confidence checks. ▸ DAILY CHALLENGE A short daily entry point keeps the habit alive and makes it easy to return without deciding what to study. ▸ STEP-BY-STEP SOLUTIONS Wrong answer? You see the full worked solution inline. No vague feedback, no guesswork. ▸ SPACED REPETITION Overdue questions surface in a Review queue using Leitner intervals: 1 day, 3 days, 1 week, 2 weeks, then 1 month. ▸ ACHIEVEMENTS + STREAKS Progress milestones, daily streaks, and freeze protection help you stay consistent without pressure. ▸ FORMULA REFERENCE Bookmark formulas as you learn them. Your reference is always one tap away. ▸ PLAIN-TEXT ANSWERS Type answers like 6x+2, sqrt(2), or pi. No LaTeX keyboard required. ▸ PRIVACY-CONSCIOUS Learning progress stays on your device. Mathio does not run ads or sell personal data. RevenueCat is used only for subscription entitlement validation. ▸ MULTI-LANGUAGE LEARNING Available in English, German, Spanish, French, Italian, and Brazilian Portuguese, including formulas and step-by-step explanations. TOPICS Pre-Algebra, Algebra, Calculus, Geometry, Trigonometry, Statistics, Linear Algebra, Financial Math, Discrete Math, and Exam Review. 100 lessons and 500 hand-crafted questions cover fractions, percentages, percent change, unit conversions, equations, graphing lines, quadratic graphs, word problems, functions, exponential growth, sequences, series, derivatives, implicit differentiation, integrals, related rates, vectors, matrices, probability, conditional probability, expected value, Bayes' theorem, regression, standard deviation, normal distribution, box plots, confidence intervals, rational expressions, radical equations, completing the square, coordinate geometry, composite areas, budgeting, unit prices, tips, bill splitting, loans, taxes, discounts, truth tables, logic, graph theory, exam sprints, strategy checks, mental math, error checking, and mixed final review. SUBSCRIPTION Mathio is free to try. Unlock all topics with: • Annual — $59.99/year, 7-day free trial, Family Sharing enabled • Weekly — $12.99/week, 3-day free trial Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your Apple ID settings. Privacy: https://meloxkgz-ship-it.github.io/mathio/privacy Terms: https://meloxkgz-ship-it.github.io/mathio/terms From fractions to derivatives. Two minutes a day is enough.