You also don't have to choose between the two. When you sign up for either service, the app asks you why you want to learn the new language and what level you're starting at. Users can pick from multiple languages broken up into short lessons. But how do you choose which one will work best for your learning style?ĭuolingo and Rosetta Stone both offer versions for online and mobile use. Of the multiple language apps available, these are the two that come to mind first for many people. If you've embarked on a journey to learn a language (in or out of school), odds are you've come across Duolingo or Rosetta Stone. Having a language lesson on your phone can make it more motivating to learn.