CPAIT is a comprehensive app designed to enhance your Mandarin Chinese pronunciation skills. The app utilizes AI technology to act as your personal tutor, providing real-time feedback on your pronunciation of initial, final, and tone components. It includes extensive systematic practice materials, such as over 400 Pinyin combinations, 5000+ phrases, and 90+ short essays including Chinese mottos, ancient poems, and classical texts. This app works completely offline, ensuring your privacy and allowing practice anytime without internet dependency.

Define is a user-friendly Chrome extension designed for individuals who frequently encounter unfamiliar words while browsing the web. By simply selecting a word, users can instantly access its definition without the hassle of navigating away from their current tab. This extension streamlines the learning process and enhances reading comprehension by providing quick access to word meanings, helping users to enrich their vocabulary effortlessly.