Where do the 1,000 SAT words come from?
Curated from official College Board materials, top SAT prep resources, and frequency analysis of past tests. Organized into 4 categories: Critical Reading, Writing & Language, Math Terminology, and Advanced Vocabulary.
How does app blocking work on iOS?
PrepLockin uses Apple’s official FamilyControls framework — the same Screen Time technology built into every iPhone. You choose which apps to block. When you tap a blocked app, a 5-question vocab quiz appears. Answer correctly and the app unlocks. All data stays on your device.
Is this enough for the SAT?
Our 1,000-word bank covers critical reading vocabulary, writing & language terms, math terminology, and advanced vocabulary — all tested on the SAT. With daily practice, most students master the full list in about 10 weeks.
What happens after the free trial?
Everything is fully unlocked during the 7-day trial. Cancel in iPhone Settings before Day 8 and you pay nothing.