500 most used words in English

80% of everything you say, consists of the same 500 words. By learning those 500 words, reversibly, you will be able to say 80% of what you want to say. This app helps with that.

From French to English, of from English to French, it offers you at random a word of those 500 and you have to translate. When you submit, it gives the right translation, and add to your score if your translation was correct. It saves your score, so you can do a few words every night or at morning in the tube.

It is simple, but very effective. Once you attain the 100%, you are able to speak 80% of everything you want to say.