COCA – Vocabulary Learning for IELTS & TOEFL is a smart, interactive English learning app designed to help you master real-world vocabulary used by native speakers. Based on the Corpus of Contemporary American English (COCA), this app provides access to 16,515 essential words and turns vocabulary learning into an engaging, structured, and effective experience. COCA 5.0 is a complete vocabulary learning platform combining flashcards, quizzes, progress tracking, and AI-powered guidance to help you learn faster and remember longer. Key Features Dashboard Track your progress, learning streaks, and performance with clear statistics. Visualize your vocabulary growth over time. Flashcards Efficiently learn and review vocabulary with a smart flashcard system focused on repetition and retention. Word Browser Browse and search the full COCA word list with filters for fast and targeted learning. Quiz Mode Reinforce memory with interactive quizzes including multiple choice and recall tests. AI Tutor Get instant explanations, word usage examples, and contextual understanding powered by AI. Why COCA? Learn real-world English used in daily communication and academic settings Prepare efficiently for IELTS and TOEFL exams Improve long-term retention with smart repetition tools Track your learning journey with a personal dashboard Learn with AI assistance for faster understanding Upgrade to COCA 5.0 and start building your English vocabulary smarter, faster, and more effectively.