01
AI Photo Grading
Snap homework for instant AI grading. Supports arithmetic, word problems & geometry — results in seconds.
AI-Powered Mistake Book
Every mistake
is a step forward
Snap homework for AI grading, deep error analysis, smart mistake archiving, and personalized practice. Less stress for parents, real mastery for kids.
AI
Error Analysis
30s
Instant Grading
∞
Smart Practice
24/7
AI Tutor 24/7
Core Features
AI Mistake Book — Full Learning Loop
From photo grading to mistake archiving, from root-cause analysis to tailored drills — all in one app.
02
Deep Error Analysis
Beyond right or wrong — AI pinpoints knowledge gaps, calculation errors & reasoning flaws with step-by-step guidance.
03
Smart Mistake Book
One-tap save to your mistake library. Auto-categorized by topic. Reinforcement drills & AI solutions in CN/EN.
04
Analytics & Custom Drills
Visualize mistake distribution, identify weak areas, and get AI-generated comprehensive practice sets.
AI Workflow
4-Step Loop: Mistakes → Mastery
📷
Snap
🧠
AI Grade
📒
Archive
🎯
Practice
🇨🇳 Mainland China
For primary to junior high math. Homework checking, progress tracking & mistake review aligned with local curriculum.
🇸🇬 Singapore
Bilingual CN/EN math support. PSLE-ready practice to maximize every tuition dollar.
常见问题
关于 AI 错题本
ZY小数学和普通拍照搜题有什么区别？
拍照搜题侧重「给答案」，ZY小数学侧重「错题闭环」：批改 → 错因分析 → 归档错题本 → 举一反三练习，并生成家长可看的学情报告。
AI 错题本适合几年级的孩子？
主要面向小学至初中数学，支持口算、应用题与几何证明。新加坡用户也可用于 PSLE 备考，支持中英文题目。
家长如何用手机批改作业？
打开 App 拍摄作业照片，AI 会在数秒内完成批改并标注错题。家长无需逐题核对，可在错题本中查看薄弱知识点。
是否支持新加坡 PSLE 数学？
支持中英文数学题目，错题按知识点分类，可生成针对性练习，帮助 PSLE 备考家庭提高补习效率。
Get Started
