Skip to content
rubriqon.

The digital SAT, rehearsed

Know your score before test day.

Seven adaptive, test-day-exact digital SAT simulations, a calibrated practice bank, and vocabulary training. Scoring you can plan around, analytics that tell you exactly what to fix — and all of it is free.

It's free — no sign-in required.

0+
questions, none repeated
2-stage
adaptive, scored by IRT
Test-day exact
the interface, not a lookalike
Free
all of it, for everyone

01 · The problem

Most practice scores don’t reflect the real test.

Paper practice can’t adapt. The real digital SAT changes your second module based on how you do on the first, so a static PDF or a fixed-question practice test isn’t testing you the same way.

And a lot of question banks don’t calibrate difficulty carefully. When the practice questions are easier than the real exam, your practice score comes out higher than your actual score will.

02 · The simulator

Practice on the real format, not a worksheet.

  • 01

    Two-stage adaptive modules that adjust based on your performance, exactly like test day.

  • 02

    The same tools as the real exam: timer, flagging, strikeout, and reference sheet.

  • 03

    Same pacing, same screens, same time pressure — so it feels familiar when it counts.

03 · The scoring

A score you can plan around.

Every question has a measured difficulty, and your score is computed the same way the real exam computes it — not by counting rights and wrongs, but by weighing what you got right against how hard it was. That makes it a number you can actually plan around.

Every score comes with a confidence band, not a false-precision single number.

04 · The analytics

Find out why you got it wrong.

  • 01

    Accuracy broken down by skill, separated from luck and pacing.

  • 02

    A pacing breakdown showing where you spent time that didn't help your score.

  • 03

    A practice list built from the questions you actually missed, not a generic syllabus.

05 · The questions

Explanations that actually explain.

Every explanation covers two things: how to reach the correct answer, and why the wrong choices seem tempting. Understanding why you got something wrong matters more than just seeing the right answer.

Specimen — Math · Module 2 · #17

Why C is correct

The circle’s equation hides its radius inside a completed square. Finish the square first, and the radius is half of what the raw coefficient suggests — which is the entire question. Everything after that is arithmetic.

TRAP NOTED · B is what you get if you skip the halving step.

06 · The seven

Seven tests, one plan.

Start with Test I — in about two hours, you’ll have a good sense of whether the rest is worth your time.

Why only seven.

Other prep sites offer huge question banks — thousands of questions, endless drills. That’s not hard to build. Making sure every question is properly calibrated to real test difficulty is what takes work.

A practice test only helps if it behaves like the real one: the same adaptive routing, the same difficulty scale. Building a test to that standard takes months, not hours — so instead of rushing out hundreds of tests, we built seven properly.

Try Test I first. If it doesn’t feel like the real exam, there’s no reason to try the rest.

Your real score is  one test away.

Take Test 1 — free

It's free — no sign-in required.