DUOL vs HL Comparison

Duolingo Inc is a technology company that develops a 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 four predominant sources of revenue; time-based subscriptions, in-app advertising placement by third parties, and the Duolingo English Test, and In-App Purchases.

Hecla Mining Co produces and explores silver, gold, zinc, and other metals. The operating business segments are Greens Creek, Lucky Friday, Keno Hill, and Casa Berardi. It generates maximum revenue from the Greens Creek segment. Geographically, It operates in Canada, the United States, and Mexico, and it derives a majority of its revenue from the United States.