ReedSutton

ReedSutton · Digital SAT practice

You already know which questions you missed.
ReedSutton shows you why you missed them.

For every answered wrong question, see what likely pulled you toward that choice, the evidence you missed, and one rule to use next time. Then track whether the same mistake comes back.

No credit card required

Initial Mistake Analysis showing the diagnosis, missed evidence, avoid rule, and mistake history for a wrong Digital SAT answer
Initial Mistake Analysis: see the pull behind a wrong answer.

01 · Start with the question

Practice → Score → Diagnose

Take a realistic Digital SAT-style section. Then see what likely pulled you toward each wrong answer.

Practice

Work through a test-style section

Practice in the same focused digital flow you expect on test day.

ReedSutton Digital SAT-style Reading and Writing practice section screen
Digital SAT-style practice section

Score

See the result and breakdown

Finish the section to review your score estimate and performance distribution.

ReedSutton completed Digital SAT section score and Domains and Skills breakdown
Section score and performance breakdown

Diagnose

Understand the pull of a wrong answer

Initial Mistake Analysis brings the diagnosis, evidence, avoid rule, and history into one review card.

Initial Mistake Analysis card showing diagnosis, evidence, avoid rule, and history beside a Digital SAT question
Initial Mistake Analysis: diagnosis, evidence, avoid rule, and history

02 · Make progress visible

Assessment → Weakness → Pattern

See what is weak, what is improving, and what keeps coming back.

Assessment

See your overall performance

Review accumulated results across completed section sessions without turning them into official subscores.

Assessment overview showing overall performance across completed Digital SAT section sessions
Assessment overview across completed sections

Weakness

Find the skills to study next

Move from the overview to skill-level detail so improvement has a specific target.

Assessment skill details showing weak and improving skills from completed Digital SAT sections
Skill-level strengths and study priorities

Pattern

Notice what keeps coming back

Question Pattern Insights groups related results so recurring patterns are easier to notice and review.

Question Pattern Insights showing related question results across completed Digital SAT sections
Question Pattern Insights for recurring patterns

03 · Keep the next session ready

Review List + Vocabulary

Turn mistakes into a repeatable study routine.

Review List

An automated mistake notebook

Review List keeps wrong and marked questions together, ready for the next focused review session.

Review List showing missed and marked Digital SAT questions ready for focused review
Review List: an automated mistake notebook

Vocabulary

Look up a word in context

Highlight an unfamiliar word in Review List, see its dictionary meaning in context, and save it for a later study pass.

Reading and Writing review question showing a highlighted word with its dictionary definition
Vocabulary list showing saved words with definitions and example sentences
Dictionary lookup: understand a word without leaving review

Vocabulary Study

An individual word routine

Build recall with a personal vocabulary queue, then return to words that need another pass.

Vocabulary study screen showing an individual word review routine with quiz and progress stats
Vocabulary study: an individual review routine

Clear analysis scope

Useful context, with explicit limits.

Initial Mistake Analysis is available only for a question you answered incorrectly with a keyed answer. Correct answers are not treated as mistakes, and unanswered questions are not included.

  • Cross-set context can use up to 6 earlier comparable DSAT sets.
  • The current session, current set, and later sets are excluded from that context.
  • Small samples are shown as early signals, not labeled as personal patterns.
  • Attempted questions are the denominator for accuracy: correct plus incorrect; unanswered questions are excluded.

Plans

Start free, then choose the depth of review you need.

Free

$0

No credit card required

  • Three months of Free access
  • Up to 10 unique sets
  • Auto scoring
  • One lifetime Assessment analysis
  • 10 follow-up Tutor requests per set
  • 10 in-context Vocabulary AI lookups
Popular

Premium

Student price$390(3 months)

Open Promotion3-month validityPrevious promotional validity: 1 month

Regular price $500

Student verification required

  • Unlimited
  • Auto scoring
  • Basic Review List: filters, priorities, notes, and direct Review links
  • Assessment analysis
  • Private Tutor: step-by-step reasoning and Desmos strategies

FAQ

Common questions about ReedSutton.

Can I try it for free?

Yes. Free includes one full DSAT set with auto scoring and no credit card required.

What does Review List do?

It keeps missed and marked questions together so your next review session starts with the work that matters.

Can I pause a test?

Yes. Sessions save your place so you can return later.

Independent educational software

ReedSutton is independently created practice software. It is not affiliated with or endorsed by the College Board or OpenAI, and it does not guarantee scores or admission outcomes.

사업자 정보 (Business Information)

  • 퀴즈매니아 (QuizMania Inc.)
  • 대표: 박정환 (Park Jungwhan)
  • 사업자등록번호: 458-86-04024
  • 통신판매업신고: 제 2026-서울강남-03356 호
  • 서울특별시 강남구 논현로159길 25, 2층(신사동)
    2nd Fl., 25 Nonhyeon-ro 159-gil, Gangnam-gu, Seoul 06027, Korea
  • 070-8080-1740
  • support@reedsutton.net · satgpt99@gmail.com

Legal Documents

Premium is a prepaid three-month digital plan. Once a three-month term begins, SAT practice content, scoring, review, and related digital access for that term are made available immediately. Cancellation stops only the next three-month renewal, access continues through the current term, and no current-term mid-term or prorated refund is issued for a change of mind, except for applicable law, payment errors, duplicate charges, or material service errors.