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Snap a page, get flashcards. Build your English vocabulary, mastered by quiz.
The hardest part of learning vocabulary isn't the memorizing — it's the typing and the dictionary lookups. PaiPaiBei skips all of that. Snap a photo of any printed page and it reads the English words, then fills in the phonetics, part of speech, a definition, and an example sentence for each. Your hand-copied word list is history. Made for everyone building their English vocabulary — students, professionals, and self-learners alike. No typing, no copying: point your camera and turn any page into a study deck. SNAP A PAGE, GET FLASHCARDS • Aim your camera at any printed English — a textbook, handout, book, even a menu — on-device OCR reads the words, and the photo never leaves your phone • Instant lookup from the built-in dictionary: phonetics, part of speech, definition, example sentence • Check and fix the recognized words, then save them as your own course KNOW WHAT YOU ACTUALLY KNOW • Get a word right on the very first try and it counts as mastered — no grey area • Already got it? Re-quiz anytime; miss it and it drops back to unmastered, so mastery always reflects where you really stand • Stats and a daily streak to keep the momentum PRACTICE ALL FOUR SKILLS • Flashcard, list, quiz, and listening modes • Miss a word in the quiz? It drops into an automatic review loop until it sticks • Speaking practice with live speech recognition — say it, see if you nailed it • Natural text-to-speech reads words and examples aloud, so you can study by ear on the commute or before bed • Background playback keeps reading with the screen off EXAM-READY CONTENT, BUILT IN • A 23,000-word dictionary with curated tracks: CEEC (college entrance exam), MOE 1200 (junior-high), TOEIC, NAWL, and Collins levels — for school, certification, or self-study • Fully offline — your courses, words, and progress stay on your device SIMPLE FOR EVERYONE • Clean Material You interface with light and dark themes • Bilingual interface (English / 繁體中文) • Share an entire course with a classmate or colleague using a single QR code PaiPaiBei is free, supported by ads. Your learning data never leaves your device.