Vocabulary Builder is a free app for Android that belongs to the category Educational, and has been developed by Magoosh. It's recommended for Ages 7-9, beginners, word lovers, kids.
More about Vocabulary Builder
This app is best known for the following features and qualities: gre prep, learning new words & find words, study tool & selection of words.
People say specially its classification of words according to difficulty level is useful, it really makes it easier and more fun to practice vocabulary :, this is a great app for expanding your vocabulary.
If you like Vocabulary Builder you'll also enjoy: GRE Flashcards, Classic Words Solo, Math Workout, Virtual GRE Tutor - Vocabulary, Painless GRE, 7 Little Words.