SATGenius — Free Adaptive Digital SAT Prep & AI Weakness Diagnostics
Master the 2026 Digital SAT with AI-driven weakness diagnostics, Bluebook-accurate two-stage adaptive practice tests, mistake notebooks, integrated Desmos calculator, and targeted drill recommendations.
Adaptive Practice Tests
Two-stage adaptive testing simulating College Board Bluebook scoring curves, question routing, and timed exam conditions.
Math Formula Sheet & Cheat Sheet
Complete guide to provided geometry formulas and essential unprovided formulas: vertex form, circle equation, and discriminant.
Reading & Writing Guide
Master Standard English Conventions, semicolon rules, rhetorical synthesis, and evidence-based reading passages.
Desmos Calculator Hacks
Save 10+ minutes on test day using graphing shortcuts for systems of equations, parabola vertices, and regressions.
Official-Style Question Bank
Explore and filter 100+ Digital SAT practice questions across all 8 domains by difficulty tier with step-by-step rationales.
4-Week SAT Study Roadmap
Structured week-by-week preparation schedule using the Mistake Notebook error-log method to gain 150+ points.
Frequently Asked Questions (FAQ)
Is SATGenius completely free for high school students?
Yes. SATGenius is 100% free with no paywalls or credit cards required.
How does the adaptive scoring work?
Like the official Digital SAT, Module 1 performance determines whether you receive the standard or advanced Module 2 tier.