DUOL vs CF Comparison

Duolingo Inc is a technology company that develops mobile learning platform to learn languages and is the top-grossing app in the Education category on both Google Play and the Apple App Store. Its products are powered by sophisticated data analytics and artificial intelligence and delivered with class art, animation, and design to make it easier for learners to stay motivated master new material, and achieve their learning goals. Its solutions include The Duolingo Language Learning App, Super Duolingo, Duolingo English Test: AI-Driven Language Assessment, Duolingo For Schools, Duolingo ABC, and Duolingo Math. It has three predominant sources of revenue; time-based subscriptions, in-app advertising placement by third parties, and the Duolingo English Test.

CF Industries is a leading producer and distributor of nitrogen, which is primarily used in fertilizers. The company operates nitrogen manufacturing plants primarily in North America. CF also produces nitrogen in the United Kingdom and holds a joint venture interest in a nitrogen production facility in Trinidad and Tobago. CF makes nitrogen primarily using low-cost US natural gas as its feedstock, making CF one of the lowest-cost nitrogen producers globally. The company is also investing in carbon-free blue and green ammonia, which can be used an alternative fuel to hydrogen or as a means to transport hydrogen.