GRE Exam by Vocabla is an app for improving your English vocabulary.
It will help you pass your GRE exam.
* Intelligent and easy tests
* English word definitions prepared for GRE exam
* Your progress stats
* You can collect Badges
* You can compete with other users in Ranking
* Audio, pronunciation
Also check out Vocabla app: https://play.google.com/store/apps/details?id=com.vocabla.vocabla