Vocube is a Spanish vocabulary app that goes beyond two-sided flashcards. Every word is a cube with four sides including not only the actual quiz but also some useful hints. When you're stuck, you don't get the answer right away — you get the right kind of hint (a sentence, a category, an icon, definition, or pronunciation) so you can think, infer, and remember. Built for learners who are tired of flipping a card, forgetting the word, and moving on. Try it and tell us what you think.