Digital SAT prep
Practice on the SAT screen, 15 minutes a day.
Reading and Writing and Math sets built like the digital SAT, with an explanation for every question. Take the free diagnostic, then Premium adds your daily plan and an AI tutor.
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Also on iPhone and Android
Take the free diagnostic. No credit card needed.
- 2 sectionsReading and Writing, Math
- 98questions on the real test
- 15 mina typical daily set
- AI tutorwith Premium
What’s tested
Every skill on the digital SAT.
Reading and Writing has four content domains and Math has four. Each skill links to a short guide with a worked example.
Reading and Writing
54 questions, 64 minutes
Reading and Writing
54 questions, 64 minutes
Craft and Structure
Expression of Ideas
Standard English Conventions
Math
44 questions, 70 minutes
Math
44 questions, 70 minutes
Algebra
Advanced Math
Problem-Solving and Data Analysis
Geometry and Trigonometry
Your plan
How the next set is chosen.
The app looks at more than right and wrong, so time goes to the skills that need it.
- Your answersRight or wrong, how long each took, and whether you asked the tutor.
- Skill statusEach skill is marked solid, shaky or new.
- Next setMostly shaky skills, plus one solid skill to recheck.
↺ Solid skills come back a few days later to check they stuck.
A sample week
Daily sets, plus official full tests.
Short sets build each skill. Official practice tests rehearse full-length timing.
- Mon15-minute set
- Tue15-minute set
- Wed15-minute set
- Thu15-minute set
- Fri15-minute set
- SatBluebook practice test, every other week
- SunReview the questions you marked
Guides
Plan your SAT.
Dates, scores, study plans and test-day details, checked against College Board. All guides →
- SAT guideDigital SAT Format in 2027: What Stays the Same and What’s New
- SAT scoresWhat Is a Good SAT Score? Percentiles, Averages, and How to Set a Target
- Study planHow to Build an SAT Study Plan: 12-, 6- and 3-Week Schedules
- SAT strategyDigital SAT Reading and Writing: Question Types and Pacing
- SAT mathHow to Use the Desmos Calculator on the Digital SAT
- Test datesSAT and ACT Test Dates in 2027: Deadlines, Scores and When to Test
How can I study for the SAT in 15 minutes a day?
Do one focused set, then read the explanations for anything you missed. Save longer sessions for official Bluebook practice tests so you also rehearse full-test pacing.
Does Hourly Prep use official SAT questions?
No. Hourly Prep uses original practice written to the skills and formats of the digital SAT. Use College Board’s free Bluebook practice tests for full official tests.
Which digital SAT sections are covered?
Reading and Writing and Math, including every content domain in both sections. Each skill has its own guide.
How does the SAT study plan adapt?
With Premium, your plan uses your recent answers and response times to choose the next set, and brings solid skills back later to check they stuck.
Is any SAT prep free?
The SAT and ACT diagnostic is free, with an explanation for every question. Daily SAT practice, the adaptive study plan, the AI tutor, video lessons and full-length SAT practice tests are Premium. PSAT prep is free, and College Board’s Bluebook practice tests are free too.
Start with the diagnostic in the app.
It finds your starting point in Reading and Writing and Math. Each set after that targets what you missed.
Start for free