The app is a flashcard-based study tool that allows users to create unlimited cards and sets, import or export them via CSV, and study offline. It targets language learners by helping build vocabulary and offers multiple review modes including writing, multiple‑choice, and audio playback. A spaced‑repetition system prioritizes cards that are about to be forgotten to enhance memorization. Additional features include the ability to share sets with friends and various study formats to keep engagement high.