Duolingo (NASDAQ:DUOL) reported quarterly earnings of $0.54 per share which missed the analyst consensus estimate of $0.57 by 5.26 percent. This is a 90.92 percent decrease over earnings of $5.95 per share from the same period last year. The company reported quarterly sales of $309.007 million which beat the analyst consensus estimate of $303.232 million by 1.90 percent. This is a 13.73 percent increase over sales of $271.700 million the same period last year.