Einstein once said, "If you can't explain it to a six-year-old, you don't understand it yourself."
This is what it is about. The secret of Quizking lies in its ability to get you to understand your topic quickly instead of trying to memorize everything.
After 6 months of practice you will certainly become excellent, but first try 4 weeks and admire how much you have improved.
It's 100% free, you have nothing to lose but everything to gain.