American English File is a self-learning app for anyone who wants to enhance their English language skills, particularly those who aim to take the TOEFL test. This app offers four main skills: grammar, vocabulary, reading and writing, speaking, and listening comprehension.

With American English File, you can increase your vocabulary range and improve your grammar skills. The app provides you with exercises to practice reading, writing, and listening, and it also helps you practice your speaking skills with interactive activities. This app is suitable for anyone who wants to learn English, from beginners to advanced students.

The app is free to download, and you can get the complete package by visiting the website of the developer, آموزشگاه مجازی تحلیلگران. Overall, American English File is an excellent app for those who want to learn English at their own pace and enhance their language skills in a fun and interactive way.