Improve English by Knudge is an iPhone application developed by Knudge Technology Private Limited, designed to help users learn and improve their English skills in an easy, interesting, and effective way. The app is built on scientific algorithms that ensure an adaptive and personalized learning experience for users of all levels.

The app offers a variety of courses, including Vocabulary Builder, English Idioms, Phrasal Verbs, and Commonly Confused Words, amongst others. The Vocabulary Builder course is divided into three levels, Easy, Intermediate, and Advanced, and comprises hand-picked words with definitions, example sentences, and infographics, making it easier to memorize and improve vocabulary. The app also offers a variety of games that focus on improving reading, writing, speaking, grammar, spelling, and vocabulary skills.

What sets Improve English by Knudge apart is its spaced learning and adaptive learning features, which boost brain function and ensure better retention of lessons. The app also offers a progress tracker, personalized and adaptive revision tests, and a word of the day feature for competitive test aspirants. Additionally, the app provides interesting word games and other language games to learn and improve English in a fun way.

Overall, Improve English by Knudge is a comprehensive and fun learning experience, perfect for anyone looking to improve their English skills on the go.