Cards is an app for those who want to improve their performance in retention the information that they study. In Cards, you can create a collection of questions to be answered wherever you are and whenever you want with practicality and simplicity. Cards uses your success rate in each question to determine the probability that this question returns in order to turn your points of weakness into a consistent and solid knowledge.

Cards is perfect for study groups. Users can share their collection of questions between themselves to divide a great amount of work, so all the group can be benefited with a complete study resource from a certain subject.