100% Free · No Ads · Nonprofit

Free SAT Online Coaching & Practice Tests

Everything you need to prepare for the Digital SAT Math section in one place — a complete, structured course, unlimited full-length mock tests scored on the real 200–800 scale, a built-in graphing calculator, and instant analytics that show exactly what to fix next. Always free.

40chapters
200+topics
5,000+practice questions
200–800scored mocks

Why prepare for the SAT with Vidaara

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A complete SAT Math course

All 40 chapters of the Digital SAT Math syllabus, with concise notes, worked examples, diagrams and hint-guided practice — from number sense to advanced functions.

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Unlimited full-length mock tests

Take realistic 44-question SAT Math mocks any time, auto-graded on the 200–800 scale with a full solution for every question.

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Smart, adaptive scheduling

After each mock you get a personalised next-test time that rewards real improvement and nudges you to fix weak domains first.

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Built-in graphing calculator

The same Desmos-style graphing and scientific calculator you get on test day, with step-by-step tutorials on how to use it.

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Domain-wise analytics

See your accuracy in Algebra, Advanced Math, Problem-Solving & Data Analysis and Geometry, so your study time goes where it counts.

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Free forever, no ads

Vidaara is a nonprofit by the Udgam Welfare Foundation. No paywalls, no ads — world-class SAT prep for every student.

Every SAT Math domain, covered

AlgebraLinear equations, inequalities, systems and functions — the largest scoring area.
Advanced MathExponents, polynomials, quadratics, radicals, rationals and nonlinear functions.
Problem-Solving & Data AnalysisRatios, percentages, statistics, probability, charts and two-variable data.
Geometry & TrigonometryLines and angles, triangles, circles, coordinate geometry, area and volume.

How the free SAT mock tests work

1 · Take a full-length mock

44 questions across all four domains, timed like the real Digital SAT Math section.

2 · Get scored 200–800 instantly

See your scaled score, domain accuracy, time per question and improvement since last time.

3 · Fix your weak areas

Jump straight to the chapters you missed; complete practice to unlock your next mock sooner.

SAT preparation — frequently asked questions

Is Vidaara’s SAT preparation really free?

Yes. The entire SAT Math course, all practice questions and the full-length mock tests are completely free, with no ads. Vidaara is a nonprofit by the Udgam Welfare Foundation.

Does Vidaara offer full-length SAT mock tests?

Yes. You can take unlimited full-length SAT Math mock tests — 44 questions across all four domains, auto-graded on the real 200–800 scale with a full solution for every question and domain-wise analytics.

How many SAT Math topics are covered?

All 40 chapters and 200+ topics of the Digital SAT Math syllabus are covered, across Algebra, Advanced Math, Problem-Solving & Data Analysis, and Geometry & Trigonometry.

Is there a graphing calculator like on the real SAT?

Yes. Vidaara includes a built-in Desmos-style graphing and scientific calculator, plus step-by-step lessons on how to use it to graph, solve equations and find intersections.

How often can I take a mock test?

As often as you like. After each mock the next one unlocks on a personalised schedule (a minimum 4-hour gap) that shortens when you improve and complete revision, so each test measures real progress.

Do I need to pay or create an account?

No payment is ever required. You can study and practise freely; creating a free account simply saves your progress, mock scores and personalised schedule.

Start your free SAT prep today

No payment, no ads — just the complete SAT Math course and unlimited scored mock tests.