Duolingo on App Store displayed on a phone screen is seen in this illustration photo taken in Krakow, Poland on June 7, 2025. (Photo by Jakub Porzycki/NurPhoto via Getty Images)NurPhoto via Getty ImagesDuolingo (NASDAQ: DUOL) has transformed from a unique language-learning application into one of the leading, AI-driven educational platforms worldwide. As of Q2 2025, the firm reported revenues of $252.3 million, representing a 42% year-over-year growth, with net income skyrocketing to $88.6 million, up over ...