The most comprehensive AI-powered test prep platform. Practice with realistic exam simulations, personalized study plans, and adaptive learning.
Estimated score increase after 30 days of adaptive practice
Official curves & integrity
Instant baseline & routing
Built-in Desmos & tools
Subskill analytics & steps
Establish your authentic SAT/ACT baseline with official multi-stage scoring.
Target high-yield subskills with built-in graphing tools and step-by-step rationales.
Track your progress on the 32-subskill tree and hit your 1500+ / 34+ target.
Experience efficient, stress-free test preparation with our platform. We've combined an intuitive adaptive exam interface, official scoring scales, and comprehensive diagnostic analytics to empower your test journey. Focus on your goals, we'll handle the rest.
Designed specifically around the latest Digital SAT adaptive specifications and ACT standard formats.
Official-style interface featuring live countdown timer, choice eliminator, question flagging, and instant full scoring.
Explore Exam HubFilter questions by exam (SAT/ACT), subject, specific sub-domain, difficulty level, and practice vs timed mode.
Build Practice SetHigh-frequency SAT vocabulary, essential punctuation rules, math formulas, and science graph analysis cards.
Review FlashcardsSearchable mathematical cheat sheet with KaTeX notation, geometry rules, and grammar hierarchy guidelines.
Open Formula VaultSet your exam date and score target to generate a 4-week task checklist with daily milestones.
View Study ScheduleIdentify your exact weak sub-domains, monitor pacing per question, and track your score progression.
Check AnalyticsCompare the structure, timing, and calculator rules to choose your ideal test strategy.
| Feature | Digital SAT | ACT Exam |
|---|---|---|
| Total Time | 2 hours 14 minutes | 2 hours 55 minutes |
| Scoring Range | 400 – 1600 Scale | 1 – 36 Composite |
| Test Structure | 2 Sections (Reading & Writing, Math) | 4 Sections (English, Math, Reading, Science) |
| Pacing Pressure | Generous (~71 sec / question) | Fast-paced (~50 sec / question) |
| Math Calculator | Allowed on 100% of Math questions (Desmos built-in) | Allowed on Math section (bring own calculator) |
| Science Section | No separate section (science passages in RW) | Dedicated 40-question Science reasoning section |
Launch a full-length adaptive simulation or a quick 10-minute section drill right now.
Official College Board format diagnostic simulation mimicking the real Digital SAT with Reading & Writing (Craft & Structure, Information & Ideas, Standard English Conventions, Expression of Ideas) and Math (Algebra, Advanced Math, Problem Solving & Data Analysis, Geometry & Trigonometry), featuring 3PL Item Response Theory scoring, Desmos calculator, and adaptive multistage routing.
Authentic full-length ACT mock exam covering English (Conventions, Production of Writing, Precision), Mathematics (Pre-Algebra through Trigonometry, Matrices & Logarithms), Reading (Literary Narrative, Humanities, Natural Science), and Science (Data Representation, Research Summaries, Conflicting Viewpoints) with official 1-36 composite scoring.
Official College Board format diagnostic featuring Cross-Text synthesis, Rhetorical Synthesis, and Advanced Math with real-time Multistage Adaptive Testing routing.
Focused timed sprint covering Heart of Algebra, Advanced Math, and Trigonometry.
Targeted drill testing Craft & Structure, Evidence, and Standard English punctuation rules.
Pacing-critical drill covering data trends and conflicting viewpoints with instant analysis.
Official College Board diagnostic practice test for the PSAT covering Reading and Writing (Craft & Structure, Information & Ideas, Standard English Conventions, Expression of Ideas) and Math (Algebra, Advanced Math, Problem Solving & Data Analysis, Geometry & Trigonometry) with official scoring and step-by-step explanations.
Second official College Board diagnostic simulation for the PSAT with comprehensive Reading & Writing and Math modules, authentic pacing, Desmos calculator capabilities, and official College Board scoring rubrics.
Authentic full-length National Merit Scholarship Qualifying Test (PSAT/NMSQT) practice examination covering Reading & Writing and Math sections with official scoring scales, NMSC selection index alignment, and complete explanations.
Official College Board full-length PSAT/NMSQT diagnostic test #2 providing rigorous practice for the digital PSAT and National Merit Scholarship competition with detailed faculty-level answer rationales.
Official College Board full-length Digital SAT Practice Test #5 with Reading & Writing (Modules 1 & 2) and Math (Modules 1 & 2 - Desmos allowed), featuring 1600-scale scoring, authentic question formatting, and detailed step-by-step explanations.
Official College Board full-length Digital SAT Practice Test #6 with Reading & Writing (Modules 1 & 2) and Math (Modules 1 & 2 - Desmos allowed), featuring 1600-scale scoring, authentic question formatting, and detailed step-by-step explanations.
Official College Board full-length Digital SAT Practice Test #7 with Reading & Writing (Modules 1 & 2) and Math (Modules 1 & 2 - Desmos allowed), featuring 1600-scale scoring, authentic question formatting, and detailed step-by-step explanations.
Official College Board full-length Digital SAT Practice Test #8 with Reading & Writing (Modules 1 & 2) and Math (Modules 1 & 2 - Desmos allowed), featuring 1600-scale scoring, authentic question formatting, and detailed step-by-step explanations.
Official College Board full-length Digital SAT Practice Test #9 with Reading & Writing (Modules 1 & 2) and Math (Modules 1 & 2 - Desmos allowed), featuring 1600-scale scoring, authentic question formatting, and detailed step-by-step explanations.
Official College Board full-length Digital SAT Practice Test #10 with Reading & Writing (Modules 1 & 2) and Math (Modules 1 & 2 - Desmos allowed), featuring 1600-scale scoring, authentic question formatting, and detailed step-by-step explanations.
Full-length official faculty diagnostic practice test with 46 high-yield SAT Math questions (Calculator & Desmos enabled), complete answer keys, and detailed solutions.
Full-length official faculty diagnostic practice test with 48 high-yield SAT Math questions (Calculator & Desmos enabled), complete answer keys, and detailed solutions.
Full-length official faculty diagnostic practice test with 45 high-yield SAT Math questions (Calculator & Desmos enabled), complete answer keys, and detailed solutions.
Engineered to duplicate actual test-day conditions, calibrate score baselines with precision, and provide deep diagnostic insights.
Advanced exam integrity, DRM anti-leak protection, and realistic timed test conditions.
Multi-stage adaptive routing matching the latest College Board and ACT test formats.
100% built-in graphing calculator, digital formula sheets & step-by-step rationales.
32-subskill mastery tree, pacing monitors & domain diagnostic heatmaps to maximize gains.
Start with our diagnostic test to establish your personalized baseline and discover your exact area of highest score leverage.