Ashton Invests
Long-Term Equity Investor, Fundamental Stock Research
Duolingo can become the default learning app for millions because it has made learning a daily habit. Streaks, leaderboards, notifications and a strong brand keep users coming back, while math, music, chess and AI speaking features give it room to expand beyond languages. Revenue grew 27% in Q1 2026, though growth has slowed from its earlier pace. x.comÂ
Duolingo is evolving from a playful language app into an always-available personal AI tutor with 100 million daily users, backed by a fast-growing, increasingly engaged user base and dramatically falling AI costs. That case was visible four months ago when sentiment was poor and the stock was at $100; it has since risen 50%. x.comÂ
Duolingo's user growth has accelerated even though the stock is still down, which leaves the setup not too bad. x.comÂ
Duolingo's product is a strict subset of what ChatGPT, Claude and Gemini already do better and cheaper, so its addressable market is structurally shrinking. Those models tutor any language with live conversation and accent correction for $20 a month, versus Duolingo's $7-13. That explains its 80% drawdown despite a clean quarter with revenue up 27%. Habit and gamification are the bull case, but habits break fast when the alternative is better, as Grammarly and Chegg showed. x.comÂ
Duolingo's accelerating daily user growth shows its durability and suggests fears of AI killing education and translation are overblown. Q2 2026 DAUs grew 23% year over year to 58.7M, up from 21% growth in Q1. x.comÂ
Duolingo probably works long term as a powerful AI wrapper with lots of net cash at a fairly low price, a genius CEO, a long-term CTO and a special brand. Its App Store free-download rank has slipped from around 35th to around 55th while rival Learna climbs, and its AI rollout was out of touch with customers and did some damage, which gives pause. x.com x.comÂ
Duolingo faces bottom-up disruption as agentic AI and large language models build tutoring in: anyone can ask them to teach a topic, make flash cards or prepare for a business trip, leaving too many surfaces to attack it. @StockSavvyShay's view that a roughly 75% drop and under-15x earnings may already price in the fear is not going to end well. x.com x.comÂ
Duolingo still offers the best learning experience: trying it to learn Spanish turned up nothing else as good. Rivals can be built quickly and the free version is annoying, but it works. At $104 the stock is testing its breakout level at the 50-day moving average, a decent-looking setup. x.comÂ
Duolingo's current user retention is at an all-time high and its social media growth is reaccelerating, with Instagram growth re-accelerating massively. That is a movie seen before. x.comÂ
Duolingo is not worth owning because its core product can be replicated by AI, and the market compresses the multiple before revenue falls once a moat is gone. It has 150 million-plus monthly active users with ingrained daily habits and is integrating AI faster than most, making it more defensible than average software, yet it is still down 80% this year. Software companies with replicable core products are being rerated lower across the board. x.comÂ
Duolingo deserves premium multiples for its gamified-learning moat, diversifying monetization and elite cash generation, yet its P/E is well below its historical median. Streaks and Duolingo Max AI companions build engagement that is hard to replicate, and the Duolingo English Test is a growing second curve in study-abroad and visa markets. It runs 70%+ gross margins with steady free cash flow. The stock has built support around $140 since earnings, and selling pressure looks exhausted. x.comÂ
