AI-powered SAT Math prepAI 驱动的 SAT 数学备考
Master the SAT, one mistake at a time. 攻克 SAT，从每一道错题开始。
SAT Master turns the questions you get wrong into a personalized study plan. A spaced-repetition engine schedules each question for the exact moment you're about to forget it — and an AI tutor explains, in plain language, why your answer missed. SAT Master 把你做错的每一道题变成个性化的学习计划。间隔重复引擎会在你即将遗忘的那一刻把题目重新推给你，内置 AI 导师则用通俗的语言讲清你错在哪里。
Focused on SAT Math. Free tier available — no card to start. 专注 SAT 数学。提供免费档 — 起步无需绑卡。
If 3x + 5 = 20, what is the value of x?若 3x + 5 = 20，x 的值是多少？
How it works运作方式
Practice is only step one.刷题，只是第一步。
Most prep tools stop at "here's the answer." SAT Master is built around the part that actually raises scores: understanding the mistake, then meeting it again at the right time.大多数备考工具止步于"这是答案"。SAT Master 真正围绕能提分的环节设计：搞懂错误，然后在恰当的时机再次遇见它。
Practice练习
Work through SAT Math questions with clean, LaTeX-rendered formulas and step-by-step solutions.练习 SAT 数学题，公式以 LaTeX 清晰渲染，附分步解析。
Understand理解
Miss one? Ask the AI tutor. It knows the question, your answer, and the correct one — and explains the gap.做错了？问 AI 导师。它了解题目、你的答案和正确答案，并讲清其中的差距。
Remember记住
Every miss enters your Mistake Bank, tagged with spaced-repetition (SM-2) scheduling data.每道错题进入错题本，并带上间隔重复（SM-2）的调度数据。
Review复习
Today's Review surfaces exactly the questions that are due — right before you'd forget them."今日复习"精准推送到期的题目——恰好在你快要遗忘之前。
What's inside核心功能
A study loop that closes.一个真正闭合的学习循环。
Every feature exists to move a question from "got it wrong" to "know it cold."每一项功能，都是为了把一道题从"做错了"带到"稳稳掌握"。
Spaced Repetition (SM-2)间隔重复（SM-2）
The scheduling algorithm behind Anki and SuperMemo, applied to SAT questions. Mastery is tracked per question, and reviews are timed to fight the forgetting curve.Anki 与 SuperMemo 背后的调度算法，应用于 SAT 题目。逐题追踪掌握度，并把复习安排在对抗遗忘曲线的时机。
AI TutorAI 导师
A chat tutor that has the full context of each mistake. It explains concepts (not just answers), offers alternate methods, and takes follow-up questions until it clicks.一位掌握每道错题完整上下文的对话式导师。它讲解概念（而非只给答案），提供不同解法，并耐心回答追问，直到你真正弄懂。
Mistake Bank错题本
Wrong answers are captured automatically, with your response, the correct one, and full review history — so nothing slips through the cracks.错误答案自动收录，附上你的作答、正确答案与完整复习记录——不让任何一道题溜走。
Today's Review今日复习
A daily, personalized queue of exactly the questions that are due. No guessing what to study — open the app and start.每日个性化队列，精准列出到期题目。不用纠结今天该复习什么——打开就练。
Mastery Tracking掌握度追踪
Each question carries a mastery score that rises as you get it right on schedule — a clear signal of what's solid and what still needs work.每道题都有掌握度分值，随着你按计划答对而上升——清楚看到哪些已稳、哪些还需下功夫。
Clear, Free-to-Start Access清晰、免费起步
Begin on the free tier with a weekly practice quota, then upgrade when you're ready. Quotas are enforced server-side and unlock automatically on upgrade.从含每周练习额度的免费档开始，准备好了再升级。额度由服务端管控，升级后自动解锁。
Who it's for适合谁
Built for focused test-takers.为专注的备考者而造。
Students aiming higher in Math想在数学上提分的学生
If your Math section is where the points are hiding, a system that hunts down your weak spots and drills them on schedule beats another random problem set.如果失分主要在数学，一套能锁定你的薄弱点、按计划反复训练的系统，胜过又一份随机练习册。
Non-native English speakers英语非母语的考生
The AI tutor explains in plain, simple language — and the interface works in English and 中文 — so the concept, not the wording, is what you wrestle with.AI 导师用平实、简单的语言讲解，界面支持英文与中文——让你面对的是概念本身，而不是措辞。
Parents who want to see progress希望看到进步的家长
Mastery scores and a visible review history turn "are they actually studying?" into something you can look at, question by question.掌握度分值与可见的复习记录，把"孩子到底有没有在学？"变成一道题一道题看得见的答案。
Pricing价格
Start free. Upgrade when it's working.免费起步，见效再升级。
Plans below reflect the pricing configured in the product. Paid enrollment opens with early access — join the waitlist to be first in line.以下方案对应产品中已配置的价格。付费开通将随抢先体验开放——加入候补名单即可优先获得。
Free免费档
To get started用于起步
- Weekly practice quota每周练习额度
- Mistake Bank & step-by-step solutions错题本与分步解析
- No card required to begin起步无需绑定银行卡
Premium Monthly高级 · 月付
Billed monthly按月计费
- Everything in Free包含免费档全部功能
- Unlimited practice无限练习
- Full AI Tutor access完整 AI 导师权限
- Today's Review & mastery tracking今日复习与掌握度追踪
Premium Yearly高级 · 年付
Works out to $8.25 / mo合每月 $8.25
- Everything in Premium包含高级档全部功能
- One payment for the whole prep season一次付费覆盖整个备考季
- Best value vs. paying monthly相比月付更划算
Prices shown in USD and reflect the plans configured in the product code (monthly $19.99, yearly $99). The public service is being finalized; checkout opens with early access. No usage, enrollment, or outcome figures are claimed on this page. 价格以美元计，对应产品代码中已配置的方案（月付 $19.99，年付 $99）。公开服务正在收尾，结算功能将随抢先体验开放。本页不主张任何使用量、注册量或成绩数据。
Be first when SAT Master opens.SAT Master 开放时，第一时间通知你。
Leave your email and we'll reach out with early access. That's the only thing this form does — no account is created, and nothing is charged.留下你的邮箱，我们会在开放抢先体验时联系你。这个表单只做这一件事——不创建账户，也不产生任何扣费。