21,000+ practice questions, full-length tests, and smart study tools. Everything you need to hit your target score.
No credit card required
One platform covers every topic, every question type, and every strategy — so nothing falls through the cracks.
A 40-question untimed assessment that pinpoints your strengths and weak areas, then builds a personalized learning path.
Unique SAT & ACT practice tests generated every time with real structure, adaptive modules, and pause/resume.
See your estimated SAT (400-1600) or ACT (1-36) score using official scoring curves, updated as you practice.
Practice across 105 topics covering every SAT and ACT section. Questions never repeat within a session.
Get a daily schedule customized to your test date and goals, with tasks prioritized by your weakest areas.
Every formula you need, searchable with flashcard mode. Covers algebra, geometry, trig, and statistics.
Three steps to your best score.
Choose SAT, ACT, or both. We'll customize everything to your target test.
AI identifies your weak areas and builds custom sessions so every minute counts.
Watch your predicted score climb as you master topics and close gaps.
Every section. Every topic. Nothing left to chance.
40 topics across 2 sections
65 topics across 4 sections
Join students who are studying smarter and scoring higher.
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ZeroGaps is an independent test preparation platform. It is not affiliated with, endorsed by, or connected to the College Board or ACT, Inc.
Three steps to your target score
40 questions that pinpoint your exact weak areas. Takes ~30 minutes. Completely free.
A personalized study plan targeting what you need most. Updates as you improve.
25+ adaptive questions per day. Difficulty adjusts in real-time. Watch your score climb.
Yes! Free users get 25 questions per day, a diagnostic test, study plans, and lessons. Pro ($9.99/2 weeks) unlocks unlimited practice, full-length tests, and advanced analytics.
Students who practice consistently with adaptive, targeted practice see significant improvement. Our system focuses your study time on exactly what you need — no wasted effort on topics you've already mastered.
ZeroGaps has 23,000+ questions, adaptive difficulty that adjusts in real-time, full-length practice tests with adaptive modules matching the real SAT, and a built-in Desmos calculator.
No. ZeroGaps is an independent platform. SAT® is a trademark of the College Board. ACT® is a trademark of ACT, Inc. Neither endorses this product.
Yes. Cancel from Settings with one click. You keep access through the end of your billing period.
Any device with a browser — phone, tablet, laptop, or desktop. You can install it as an app on your home screen.
Start with a free diagnostic. No credit card. No commitment.
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