AppLovinvs.Duolingo
APP vs DUOL · both in AI software & productivity, part of the AI & digital infrastructure value chain: Embeds AI models into the products and workflows we already use.
AppLovin is about 29× larger than Duolingo by market cap; Duolingo trades at the lower P/E (13.8 vs 43.0); year to date, AppLovin leads (−24.8% vs −28.9%).
Side by side
| APP | DUOL | |
|---|---|---|
| Market cap | $170B | $5.8B |
| Price | $506.98 | $124.76 |
| Today | −2.6% | −4.0% |
| Return YTD | −24.8% | −28.9% |
| Return 1Y | +46.4% | −67.2% |
| P/E | 43.0 | 13.8 |
| P/S | 27.6 | 5.3 |
| P/B | 72.1 | 4.2 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
AppLovinAPP
AI-driven advertising platform (the Axon engine) that matches ads and users in apps — one of the most cited examples of applied AI in the advertising market.
Full APP profile →DuolingoDUOL
The world's largest language app uses generative AI for content production and conversation practice (Max subscription) — a clear example of AI in consumer products.
Full DUOL profile →More comparisons in AI software & productivity
See where APP and DUOL sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →