Duolingo, Inc. operates as a mobile learning platform in the United States, China, the United Kingdom, and internationally. The company offers courses in 40 different languages, including Spanish, English, French, German, Italian, Portuguese, Japanese, and Chinese through its Duolingo app. It also provides a digital language proficiency assessment exam. The company was incorporated in 2011 and is headquartered in Pittsburgh, Pennsylvania.

Complete your account application and verification in just 1 minute. The process is fully self-service and available on both RockFlow App and Web.

Once your account has been verified, you can deposit funds into your account using your preferred payment method.

Search for DUOL via RockFlow App or Web, enter the amount you want to invest, and tap Confirm to execute the trade.