KBR vs DUOL Comparison

KBR, formerly Kellogg Brown & Root, is a global provider of technology, integrated engineering, procurement, and construction delivery, and operations and maintenance services. The company's business is organized into two segments: mission technology solutions and sustainable technology solutions. KBR has operations in over 30 countries and employs approximately 34,000 people. The firm generated $7.7 billion in revenue in 2024.

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.