Excelent tool

It is a useful app to learn vocabulary, is devided into subjects and has two different ways of text, semantic field and multiple choice test, really, really a great tool. You can learn vocabulary and improve your listening at the same time.
The only bad thing is that in some words, few ones the sound doesnt work, but in general everything is helpful.

Adilene Castillo about TOEFL Preparation by Eslhub