Where to Go to Get Serious About Learning a Language: Lingoda, Preply, Fluenz

To really speak and understand a new language, you need to interact with humans. All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Language learning apps like Duolingo are useful, but they have their limits. They're ideal for getting started with a new language, beefing up vocabulary, practicing skills, and even having fun playing the built-in games.