EC Dictionary is a free, offline dictionary available on Android devices. With up to 200,000 items, it offers interpretation support for Simplified and Traditional Chinese, part of speech, pronunciation, and example sentences. In addition, it includes TOEFL, IELTS, and other school-age words. This dictionary is available on mobile phones and tablets of all platforms and comes equipped with multi-language translation, word memorization, and other practical functions.

The interface of EC Dictionary is user-friendly and easy to navigate. Users can search for words in English or Chinese and get instant results. The dictionary also offers a voice search function which can be very helpful for language learners. Overall, EC Dictionary is a great tool for those looking for a fast and easy-to-use En-Zh/Zh-En offline dictionary.