英语启蒙 vs MathBoard

一款面向家庭的英语单词与听力启蒙工具，采用分类单词闪卡形式，从字母、数字、日常用语到动物、水果、颜色、蔬菜、花卉、季节等主题逐步建立词汇印象。 学习： 按主题浏览单词卡片，结合配图进行看图识词；支持英文朗读与中文朗读，方便亲子陪伴与反复听辨。可将常用单词加入收藏，便于后续巩固。 复习： 在复习列表中针对待巩固内容进行练习；中英分键分别触发朗读，帮助孩子完成听辨与记忆闭环（具体以应用内交互为准）。支持按分类筛选与收藏筛选，便于安排学习计划。 家长： 可设置每日学习目标、选择主题皮肤与浅色/深色显示模式，让使用场景更舒适。学习进度、收藏与连续学习等数据默认保存在本机（详见隐私政策）。 适用说明： 本应用侧重启蒙词汇与听说输入，非在线课程平台，不提供真人教师、作业批改、考试排名或与学校教材同步等服务。建议在家长陪同下使用，并合理控制每日使用时长。

MathBoard is a handwriting-first mental-math practice app. Generate arithmetic worksheets, solve each problem by hand on an iPad whiteboard, and get instant auto-grading, wrong-answer explanations, and printable PDFs. Pick a ready-made set or build your own: ① Within-10 / within-20 / within-50 / within-100 addition and subtraction ② Two-digit addition and subtraction ③ Multiplication tables, division tables, and mixed × ÷ ④ Compare numbers (greater than, less than, equal to) ⑤ Four operations mixed Work each problem with Apple Pencil or a finger on a per-question whiteboard — line up column working, carry and borrow, draw it out. MathBoard grades instantly, tracks accuracy and time, and saves every wrong answer with the correct solution, your draft, and a step-by-step explanation. A built-in process calculator lets you enter a two-digit addition or subtraction and see the answer with vertical working and stick-counting visuals — the same show-your-work approach, on demand. Designed for families: ① Apple Pencil and finger handwriting on every problem ② Auto-grading with accuracy and timing stats ③ Wrong-answer book with explanation and your draft ④ One tap generates a similar set to practice weak spots ⑤ Printable PDF worksheets — student, answer-key, and explanation versions ⑥ Bilingual: English and 简体中文, switchable at runtime ⑦ Fully offline, no ads, no accounts MathBoard is local-first: worksheets, attempts, wrong answers, and PencilKit drafts stay on the device. Nothing is uploaded. Core practice is entirely free: all problem types, number ranges, and set sizes (including comparison and two-digit) are available without paying. MathBoard Pro unlocks PDF export, full step-by-step explanations with vertical and visual models, wrong-question drills, learning reports, and batch generation — choose a Monthly or Yearly subscription, or a one-time Lifetime purchase. Contact: sectojoy@gmail.com Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zelonai.com/app/mathboard/privacy-policy