Duolingo is a popular language learning app that provides interactive lessons to help users learn new languages. The app offers a variety of languages to choose from, including Spanish, French, German, Italian, Portuguese, Chinese, Japanese, and many others. The app features a gamified learning experience with interactive lessons, exercises and quizzes, which are designed to help users learn new words, phrases, and grammar rules. The app is designed to be easy to use, and it's suitable...