iPaddle Vocabulary Builder is a free AI-based vocabulary learning app developed by Taughtify for Android users. With this app, you can easily learn new English words daily, improve your vocabulary, and expand your knowledge of the language. The app offers various collections of English words, including the top 2000 and 5000 words, and other personalized collections. iPaddle also supports learning words in different languages, such as American and British English, Chinese, and Japanese.

The app stands out from the competition with its unique methodology for learning new words. iPaddle offers AI-based personalized recommendations and curations based on advanced computational linguistics research for exploring new vocabulary and reviewing words learned before. This results in learning new words with proper pronunciation three times faster. Additionally, the app offers a smart vocabulary assessment tool that helps you review your vocabulary skills and get curated recommendations based on your current level and knowledge.