Duolingo is one of the best and most comprehensive language learning applications add can be immensely helpful for Arabic learning as well. Let's look at the overall syllabus and pattern of Duolingo. It offers modern standard Arabic and has been doing a fairly accurate job in terms of grammar and sentence formation. Few users reported any error or inaccuracy while learning the language on Duolingo. And the best part about the app is that it makes everything super easy, even for a beginner.