Ngữ pháp tiếng Anh - Bài tập is an educational and reference application designed for iPhone users. It serves as a quick and convenient tool for looking up English grammar on your phone.

The app offers several useful features. Firstly, it can be used offline, allowing users to learn English grammar even without an internet connection. This makes it more convenient for users to study grammar anytime and anywhere.

Secondly, the app provides a rich and diverse collection of grammar lessons. From basic to advanced, it covers a wide range of grammar topics, ensuring that users can find the information they need regardless of their proficiency level.

Lastly, the app includes comprehensive grammar exercises with detailed explanations and answers. This allows users to practice their grammar skills and assess their understanding.

It's worth noting that the app displays advertisements as a source of revenue for the development team. We apologize for any inconvenience caused by the ads and appreciate your support.