AP Exam Prep

AP Biology Flashcards: 320 Cards & 640 Questions for Exam Day

Published 21 July 2026 · 3 min read · by Chalplex

Eight units, hundreds of vocabulary terms, and an exam that rewards precise recall — AP Biology is one of the heaviest AP science courses, and an ap biology flashcards app can turn a five-minute wait into useful review instead of wasted time.

Flashcards work because they force retrieval instead of passive rereading, and pairing them with timed quiz questions mimics the pressure of exam day. The right combination of tools covers the whole curriculum and lets you drill the vocabulary that trips students up most.

An AP Biology Flashcards App for All 8 Units

AP Biology moves fast, from biochemistry and cell structure through evolution, genetics, and ecology, and it's easy to fall behind on one unit while cramming for another. A single app that tracks progress across every unit means you always know where the gaps are.

AP Biology Flashcards icon
AP Biology Flashcards
iPhone & iPad

AP Biology Flashcards packs 320 flashcards and 640 quiz questions into a free iOS app, with every one of the 8 AP Biology units covered. Swipe through cards to drill terms like osmosis, allele frequency, and photosynthesis, then switch to quiz mode to test recall under a bit of time pressure. Because it's built around the actual unit structure, you can target the specific unit your next test covers instead of reviewing everything at once.

AP Biology Flashcards screenshotAP Biology Flashcards screenshotAP Biology Flashcards screenshot

Vocabulary and Hormones: The Details That Cost Points

A lot of AP Biology points are lost not on big concepts but on precise vocabulary and the physiology details that show up in free-response questions, especially around endocrine signaling.

Bio Lexicon icon
Bio Lexicon
iPhone & iPad

Bio Lexicon is a biology dictionary and quiz app for looking up a term the moment it trips you up, then testing whether it actually stuck. It's a fast way to build the vocabulary base that AP Biology's free-response questions lean on, without flipping through a textbook index.

Bio Lexicon screenshotBio Lexicon screenshotBio Lexicon screenshot
Biology Hormones icon
Biology Hormones
iPhone & iPad

Bio Hormones is a reference, quiz, and flashcard app focused entirely on endocrine signaling — a topic AP Biology students often under-revise. Working through its flashcards alongside quizzes helps fix hormone names, glands, and feedback loops in memory before they show up in a free-response question.

Biology Hormones screenshotBiology Hormones screenshotBiology Hormones screenshot

Full disclosure: I build these apps, and I built them because AP Biology genuinely needs more than one kind of tool — broad flashcards, a quick dictionary, and a focused deep-dive on the parts of the syllabus that are easy to skim past.

Frequently asked questions

Is there a free ap biology flashcards app?

Yes — AP Biology Flashcards is free on the App Store and includes 320 flashcards and 640 quiz questions across all 8 units, so you can start reviewing without any upfront cost.

Do I need a separate app for biology vocabulary?

It helps. Bio Lexicon is built specifically as a dictionary and quiz app, so it's faster for looking up an unfamiliar term than scrolling through a general flashcard deck.