Merit Lab

Build a steady study habit with Merit Lab. Explore original lessons and topic practice across 15 course libraries: SAT, PSAT 8/9, PSAT 10, PSAT/NMSQT, ACT, CLEP College Algebra and nine AP courses. Included AP libraries cover Calculus AB, Calculus BC, Computer Science A, Macroeconomics, Microeconomics, Physics 1: Algebra-Based, Precalculus, Psychology and Statistics. Study free Read guides, work through examples, answer ordinary practice questions and review your progress. Objective questions provide answer feedback. Written, graph and code work use self-review checklists. SAT study paths, daily practice and quests also stay free. You can send a question report from the app. Make your own sets The optional Practice Toolkit adds custom set controls for the SAT study path and the 15 course practice libraries included in this version. Choose topics, difficulty, question count and an optional practice timer. Preview settings before you buy, or continue with free practice. This is a one-time in-app purchase with no subscription or automatic renewal. Future courses and services are not promised. Study on your device No Merit Lab account is required. Lessons and questions are bundled, and progress is saved on your device. A connection is needed for purchases, purchase restoration and sending question reports. The app and study content are currently in English. Merit Lab provides original supplemental practice. It is not an official exam, a full exam simulation or an official score predictor. Difficulty levels and timing estimates are provisional. Exam names belong to their respective owners; Merit Lab is an independent study product.