オサライ｜「なんとなく覚えた」をなくすAI搭載学習アプリ vs StudyJunkie

Memorize what you create. Faster and smarter. Osarai is a simple flashcard app designed to help you memorize your own content efficiently. Whether you are studying vocabulary, preparing for exams, certifications, or school tests, Osarai helps you focus on retention. You can create flashcards from photos of notes, textbooks, or handouts and start studying immediately. Build your own flashcard decks for language learning, exam preparation, and technical terms. Osarai automatically tracks accuracy rate, study count, and last reviewed date so you always know what to review next. Focus only on cards you struggle with and avoid unnecessary repetition. Text to speech support helps with pronunciation and listening. No ads. No distractions. Just a clean and focused study experience. Download Osarai and turn studying into real retention.

StudyJunkie turns every app-opening moment into a study opportunity. Before you can open social media, games, or any app you choose, you must answer a quiz. Powered by iOS Screen Time (Family Controls), StudyJunkie puts a smart learning gate between you and distraction. HOW IT WORKS 1. Select apps you want to restrict 2. When you try to open them, a quiz appears 3. Answer correctly to unlock the app for your chosen duration QUIZ CATEGORIES - Math: auto-generated calculation problems (Jr. High / High School level) - English Vocabulary: 3,700+ words with audio (Jr. High, High School, TOEIC) - Pharmaceuticals: brand name and generic name matching - Custom: create your own questions for any subject FEATURES - 7 difficulty levels (Jr. High 1-3, High School 1-3, TOEIC) - Word memory tracking: words answered correctly 3+ times are marked learned - Combo system: keep your streak going! - ZONE mode: triggered at 5+ combos for a special effect - Detailed stats: total answers, accuracy, best streak, and more - Custom quiz creator: add any question you need - Bilingual UI: Japanese and English supported - No data collection: your study data stays on your device