Results are shown immediately, and rewards can be used to unlock new levels that will help further with your mastery. It takes pride in a constant practice model where users can utilize their breaks and commutes to boost vocabulary and fluency in a selected language. The app has gained popularity by teaching language lessons on the go. Duolingo uses the freemium model: the app and website is accessible for free, but you can pay for premium service. Duolingo is a gamified, customizable, language-learning platform that integrates a website, a mobile app and also a language-proficiency examination.
