Wordit is an educational app developed by Poly Inspiration Inc. It is designed to help users master 5000 English words, one step at a time, through vocabulary certification. The app focuses on teaching the key vocabulary needed to understand American textbook stories.

With 16 different learning types and vocabulary cards, Wordit offers a comprehensive and immersive learning experience. Users can learn and review words from various perspectives, including definitions, example sentences, antonyms, illustrations, photos, and native pronunciation.

The app also features a personalized learning system and detailed learning reports. This allows users to stimulate long-term memory and track their progress through analysis of problem-solving results, learning time, and types of mistakes made.