APES Prep

Prepare for the AP Environmental Science exam with APES Prep — a free, offline study app covering all 9 College Board units. STUDY TOOLS • 270 multiple choice questions with instant feedback and explanations • 36 free response questions with rubric-based self-scoring and sample answers • 180 flashcards — key terms and formulas with tap-to-flip review • 65 study guide topics with exam tips • 18 formulas with worked examples • 162-term searchable glossary • Study by unit or across all topics • Quick Quiz mode with configurable question count • Review Missed mode to focus on weak areas • Full timed practice exam (80 MCQ + 3 FRQ) matching real exam format • AP score estimation (1–5) after each practice exam TRACK YOUR PROGRESS • Per-unit accuracy and completion tracking • Study streak counter • Practice exam score history • Weakest unit identification • 19 fun achievements to unlock • Bookmark questions for later review DESIGNED FOR STUDENTS • Works completely offline — no internet required • Clean, distraction-free interface • Dark mode for late-night study sessions • 5 color themes to personalize your experience • Built-in calculator for practice and exam screens APES Prep is a supplemental study tool created to help students succeed on the AP Environmental Science exam. It is not intended to replace classroom instruction or official course materials.