Oxford 3000 is an English-Thai dictionary app developed by 4 Xtreme Co.Ltd. It is a comprehensive app that includes over 3000 commonly used English words, along with their phonetic pronunciation and Thai translation. The app is designed to work offline, so there is no need for an internet connection to use it.

One of the key features of the app is its ability to search for words quickly and easily. Users can also save their favorite words and keep a history of the words they have looked up. Another great feature is the app's ability to provide the phonetic pronunciation of each word, making it easier for users to learn the correct pronunciation.

Overall, Oxford 3000 is a useful app for anyone looking to improve their English vocabulary. It is easy to use and provides accurate translations and phonetic pronunciations. The app is free to download and is compatible with Android 13.0 and above.