English words iwords is an educational app available for iPhone that aims to help users learn 3000 of the most commonly used English words. By mastering these words, users can understand up to 95% of all English texts. The app employs a spaced repetition system, recalling words at the optimal time for review based on the Ebbinghaus curve, which is known to improve memorization by 80%.

The app categorizes the words for easier study and provides various types of training to make learning interesting and convenient. Whether you are a beginner or an advanced learner of English, this app is designed to help you build a solid vocabulary foundation.

Learning English words can be challenging, which is why regular review is crucial. With English words iwords, you can strengthen your vocabulary and soon start reading and speaking at a professional level. Best of all, the app is free to download and use, making it accessible to anyone who wants to enhance their English language skills.