The date label shows when the next test is scheduled or if it's time to test that specific task, whereas the view on the left changes as you progress on your testing.
Silent notifications will make sure you never miss a test.
Type out your answer in the text box, hit the Rememberize button and find out how well you're doing
Just fill out a question and answer and choose how often you would like to be tested. The presets are 24, 6 and 1 hour intervalls