AP Prep: Practice & Score

About this app

Turn AP® Biology practice into real score gains. Every multiple-choice question comes with a full explanation, every free-response answer is graded point-by-point against its rubric, and a live 1–5 estimate shows where you stand — updated as you practice. WHY IT WORKS • FRQ grading, point by point — type your free response and see exactly which rubric points you earned and which you missed, with a model answer for each part. • Real explanations on every MCQ — why the right answer is right, why each distractor is wrong, the common trap, an exam tip, and a memory hook. • A 1–5 estimate you can trust — your accuracy is weighted by each unit's share of the real exam. It's a practice estimate, not an official score. • Timed mock exams — full or quick, both sections, scored 1–5 like test day, with a point-by-point review. • A mistake book that works — every question you miss lands here on its own; re-do it and it clears when you get it right. WHAT'S INSIDE • MCQ practice by unit and topic, with a question map and a four-function calculator • Free-response practice with rubric-by-rubric grading and "practice the missed point" drills • Full and quick mock exams with section timing and a 1–5 result • Mistake book with per-question review • My AP — set each subject's exam date and target, and track your estimate FREE & PRO Start free, no account needed. Free includes 10 MCQ, 1 graded FRQ, 1 mock exam, and 10 mistake reviews a day, plus your 1–5 estimate and mistake book. Pro removes the daily caps: unlimited MCQ, unlimited FRQ grading, unlimited mocks, unlimited mistake reviews, and full mock explanations. SUBJECTS AP Biology now — more AP subjects on the way. One subscription covers them all. SUBSCRIPTION AP Prep Pro is an auto-renewable subscription. • Monthly — $9.90 • 3 Months — $19.90 • Lifetime — $39.90 (one-time, not a subscription) • Payment is charged to your Apple Account at confirmation of purchase. • A subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period; your account is charged within 24 hours before renewal. • Manage or cancel anytime in Settings › Apple Account › Subscriptions. Terms of Use: https://www.prepscore.ai/terms Privacy Policy: https://www.prepscore.ai/privacy AP is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this app. Score estimates are for practice and are not official AP scores.

A new start: setup now builds you a real study plan. • A short diagnostic — five real exam-style questions, one per unit, each with the full explanation. Your answers count as practice, so your stats and mistake book aren't empty when you walk in. • Your plan, laid out to exam day — phases sized to the hours you actually have, starting with the units the diagnostic flagged. • A live countdown to your first exam, per subject. • Optional reminders on the study days you choose, plus 90/30/7/1-day exam countdown alerts. • Faster launch, and a fix for exam years showing as "2,027".

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 18, 2026 · 11:44 PM Free