DUOL vs LECO 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.

Lincoln Electric is a leading manufacturer of welding, cutting, and brazing products. Its portfolio includes arc-welding solutions, plasma and oxy-fuel cutting systems, and brazing and soldering alloys, as well as automation solutions. Lincoln Electric serves clients in the general fabrication, heavy industries, automotive, construction, shipbuilding, energy, and process industries, among other end markets. Based in Cleveland, Lincoln Electric has operations in 19 countries and has 11,000 employees worldwide. The company generated roughly $4 billion in sales in 2024.