The best vocabulary builder app out there

This app is complete. It has everything you need to buildup your vocabulary and learn new words. With every new word, there are audio,picture, fun story, example, synonym, antonym, uses, and you can record your voice to match the words pronunciation !
Moreover, there are 4 type of quizzes that can make your memorize the words and remember it. It is well worth the money and the only reason some people dont utilize it is that people, me included, are too lazy to learn! But never again.

Fara world about Knowji Vocab 7-10, SAT, GRE, ASVAB Audio Visual Vocabulary Flashcards with Spaced Repetition, v2.6.0