VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Duolingo, Inc. vs Ecolab Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Duolingo, Inc.
DUOL · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Duolingo, Inc.'s moat claims, evidence, and risks.
View DUOL analysisEcolab Inc.
ECL · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Duolingo, Inc. leads (68 / 100 vs 63 / 100 for Ecolab Inc.).
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Ecolab Inc. has 4 segments (49.5% in Global Industrial).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Ecolab Inc. has 7 across 3.
Primary market context
Duolingo, Inc.
Duolingo App
Mobile-first, freemium language learning and adjacent subjects (math, music)
Global
Consumers (end-users); advertisers
Digital learning platform / content & software publisher
93.9%
Ecolab Inc.
Global Industrial
Industrial water treatment & process chemistry (incl. food & beverage processing and pulp & paper process aids)
Global
B2B
formulator + on-site service/optimization provider
49.5%
Side-by-side metrics
Moat coverage
Shared moat types
Duolingo, Inc. strengths
Ecolab Inc. strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Ecolab Inc. segments
Full profile >Global Industrial
Oligopoly
Global Institutional & Specialty
Oligopoly
Global Healthcare & Life Sciences
Oligopoly
Global Pest Elimination
Oligopoly
Want the full wide moat stocks list?
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View the moat stocks listLooking for expansion-stage stocks?
Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.