U-Dictionary is an offline dictionary for 30 languages. This is a light application which can translate 30 languages without an internet connection. To use the translator features you will have to download some dictionaries in advance depending on the languages you need in translation.
In U Dictionary you can translate words and phrases and also improve your language skills and practice different languages. U Dictionary has the main tab when you open it, it will provide you with short tests and mini-games to practice any language you want.
Along with translating words and phrases, you can look up for the definitions of words through Collins dictionary or Wikipedia in U Dictionary. You can check the correct pronunciation of the words as well with an active internet connection.
Hence, U-Dictionary is the best dictionary with a lot of extra features for you as compared to other dictionaries. The option of completing exercises and taking test improve your language fluency skills drastically