Painless GRE 0.1.6

the author of this app says:

Learn GRE words in a painless and efficient way with spaced repetition.

Features:
* most common GRE words with examples
* variety of exercises (word->definition, definition->word, sentence completion, etc.)
* traditional word cards
* word list supporting searches by titles and definitions
* keeping track of learning progress

Upcoming features:
* more words, up to 3500 ;)
* more intuitive graphs
* games (maybe)