Vocabulary Builder from Magoosh is the perfect app for anybody who wants to widen the range of words that they use on a day-to-day basis. The tool comes with a database of 1200 expertly-chosen words, complete with definitions and audio pronunciations. Once you have mastered the Basic words, you will be able to move on to the Intermediate and then Advanced categories. So, whether you want to brush up on your writing ability, or simply want to impress your friends in conversation, Vocabulary Builder from Magoosh is the tool for you.