LUMN vs DUOL Comparison

Lumen Technologies is one of the largest telecommunications carriers serving global enterprises. The merger with Level 3 in 2017, the 2022 divestiture of much of its local phone business in rural areas, and the 2026 sale of its remaining consumer fiber network to AT&T have shifted the company's operations away from the legacy consumer business and toward enterprises services, which account for about 90% of revenue. Lumen offers businesses a full suite of communications services, providing colocation and data center services, data transportation, phone service, and internet access.

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.