New Features Flashcard Machine is updated regularly with new and exciting features to help you study. The most recent enhancements include:Flashcards are now restorable to an earlier version if accidentally deleted.Users can now collaborate with other users on a flashcard set.Added study reminders to saved study sessions.Added time-based 4D study mode for maximum retention of information.Added auto-flip to iPhone app.Flashcard Machine now available on Kindle.Enhanced audio features to allow recording from microphone.Added one side at a time option for index card print mode. more... See more text