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Side-by-side financial comparison of Duolingo, Inc. (DUOL) and Esperion Therapeutics, Inc. (ESPR). Click either name above to swap in a different company.
Duolingo, Inc. is the larger business by last-quarter revenue ($282.9M vs $168.4M, roughly 1.7× Esperion Therapeutics, Inc.). On growth, Esperion Therapeutics, Inc. posted the faster year-over-year revenue change (143.7% vs 35.0%). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs 10.6%).
Duolingo, Inc. is a leading global edtech firm operating a gamified language learning platform. It offers free and premium self-paced courses for over 40 languages, plus language certification, math learning tools, and literacy programs, serving individual learners, schools and corporate clients worldwide.
Esperion Therapeutics, Inc. is a publicly traded American pharmaceutical company focused on the development of bempedoic acid, an orally available small molecule designed to lower elevated levels of LDL-C. The company is headquartered in Ann Arbor, Michigan.
DUOL vs ESPR — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $282.9M | $168.4M |
| Net Profit | $42.0M | — |
| Gross Margin | 72.8% | — |
| Operating Margin | 15.4% | 50.6% |
| Net Margin | 14.8% | — |
| Revenue YoY | 35.0% | 143.7% |
| Net Profit YoY | 201.7% | — |
| EPS (diluted) | $0.99 | $0.32 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $282.9M | $168.4M | ||
| Q3 25 | $271.7M | $87.3M | ||
| Q2 25 | $252.3M | $82.4M | ||
| Q1 25 | $230.7M | $65.0M | ||
| Q4 24 | $209.6M | $69.1M | ||
| Q3 24 | $192.6M | $51.6M | ||
| Q2 24 | $178.3M | $73.8M | ||
| Q1 24 | $167.6M | $137.7M |
| Q4 25 | $42.0M | — | ||
| Q3 25 | $292.2M | $-31.3M | ||
| Q2 25 | $44.8M | $-12.7M | ||
| Q1 25 | $35.1M | $-40.5M | ||
| Q4 24 | $13.9M | — | ||
| Q3 24 | $23.4M | $-29.5M | ||
| Q2 24 | $24.4M | $-61.9M | ||
| Q1 24 | $27.0M | $61.0M |
| Q4 25 | 72.8% | — | ||
| Q3 25 | 72.5% | — | ||
| Q2 25 | 72.4% | — | ||
| Q1 25 | 71.1% | — | ||
| Q4 24 | 71.9% | — | ||
| Q3 24 | 72.9% | — | ||
| Q2 24 | 73.4% | — | ||
| Q1 24 | 73.0% | — |
| Q4 25 | 15.4% | 50.6% | ||
| Q3 25 | 12.9% | -11.4% | ||
| Q2 25 | 13.2% | 8.6% | ||
| Q1 25 | 10.2% | -34.0% | ||
| Q4 24 | 6.6% | -6.4% | ||
| Q3 24 | 7.0% | -31.0% | ||
| Q2 24 | 10.5% | 3.5% | ||
| Q1 24 | 9.8% | 52.5% |
| Q4 25 | 14.8% | — | ||
| Q3 25 | 107.5% | -35.9% | ||
| Q2 25 | 17.8% | -15.4% | ||
| Q1 25 | 15.2% | -62.2% | ||
| Q4 24 | 6.6% | — | ||
| Q3 24 | 12.1% | -57.2% | ||
| Q2 24 | 13.7% | -83.9% | ||
| Q1 24 | 16.1% | 44.3% |
| Q4 25 | $0.99 | $0.32 | ||
| Q3 25 | $5.95 | $-0.16 | ||
| Q2 25 | $0.91 | $-0.06 | ||
| Q1 25 | $0.72 | $-0.21 | ||
| Q4 24 | $0.31 | $-0.14 | ||
| Q3 24 | $0.49 | $-0.15 | ||
| Q2 24 | $0.51 | $-0.33 | ||
| Q1 24 | $0.57 | $0.34 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.0B | $167.9M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $1.3B | $-302.0M |
| Total Assets | $2.0B | $465.9M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.0B | $167.9M | ||
| Q3 25 | $1.0B | $92.4M | ||
| Q2 25 | $976.2M | $86.1M | ||
| Q1 25 | $884.0M | $114.6M | ||
| Q4 24 | $785.8M | $144.8M | ||
| Q3 24 | $854.4M | $144.7M | ||
| Q2 24 | $888.2M | $189.3M | ||
| Q1 24 | $829.7M | $226.6M |
| Q4 25 | $1.3B | $-302.0M | ||
| Q3 25 | $1.3B | $-451.4M | ||
| Q2 25 | $977.0M | $-433.5M | ||
| Q1 25 | $893.8M | $-426.2M | ||
| Q4 24 | $824.5M | $-388.7M | ||
| Q3 24 | $822.5M | $-370.2M | ||
| Q2 24 | $766.9M | $-344.2M | ||
| Q1 24 | $711.1M | $-294.3M |
| Q4 25 | $2.0B | $465.9M | ||
| Q3 25 | $1.9B | $364.0M | ||
| Q2 25 | $1.5B | $347.1M | ||
| Q1 25 | $1.4B | $324.0M | ||
| Q4 24 | $1.3B | $343.8M | ||
| Q3 24 | $1.2B | $314.1M | ||
| Q2 24 | $1.1B | $352.3M | ||
| Q1 24 | $1.1B | $373.1M |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $107.3M | $45.2M |
| Free Cash FlowOCF − Capex | $96.6M | — |
| FCF MarginFCF / Revenue | 34.1% | — |
| Capex IntensityCapex / Revenue | 3.8% | 0.0% |
| Cash ConversionOCF / Net Profit | 2.56× | — |
| TTM Free Cash FlowTrailing 4 quarters | $369.7M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $107.3M | $45.2M | ||
| Q3 25 | $84.2M | $-4.3M | ||
| Q2 25 | $90.7M | $-31.4M | ||
| Q1 25 | $105.6M | $-22.6M | ||
| Q4 24 | $83.3M | $-35.0M | ||
| Q3 24 | $56.3M | $-35.3M | ||
| Q2 24 | $62.4M | $-7.2M | ||
| Q1 24 | $83.5M | $53.8M |
| Q4 25 | $96.6M | — | ||
| Q3 25 | $79.4M | — | ||
| Q2 25 | $89.5M | — | ||
| Q1 25 | $104.3M | — | ||
| Q4 24 | $81.4M | — | ||
| Q3 24 | $53.1M | $-35.5M | ||
| Q2 24 | $56.8M | $-7.3M | ||
| Q1 24 | $82.1M | $53.8M |
| Q4 25 | 34.1% | — | ||
| Q3 25 | 29.2% | — | ||
| Q2 25 | 35.5% | — | ||
| Q1 25 | 45.2% | — | ||
| Q4 24 | 38.8% | — | ||
| Q3 24 | 27.6% | -68.7% | ||
| Q2 24 | 31.9% | -9.9% | ||
| Q1 24 | 49.0% | 39.0% |
| Q4 25 | 3.8% | 0.0% | ||
| Q3 25 | 1.8% | 0.0% | ||
| Q2 25 | 0.5% | 0.0% | ||
| Q1 25 | 0.6% | 0.0% | ||
| Q4 24 | 0.9% | 0.0% | ||
| Q3 24 | 1.7% | 0.3% | ||
| Q2 24 | 3.1% | 0.1% | ||
| Q1 24 | 0.8% | 0.1% |
| Q4 25 | 2.56× | — | ||
| Q3 25 | 0.29× | — | ||
| Q2 25 | 2.02× | — | ||
| Q1 25 | 3.01× | — | ||
| Q4 24 | 5.99× | — | ||
| Q3 24 | 2.41× | — | ||
| Q2 24 | 2.56× | — | ||
| Q1 24 | 3.10× | 0.88× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DUOL
| License And Service | $242.3M | 86% |
| Advertising | $20.2M | 7% |
| English Test | $10.3M | 4% |
| Other | $10.1M | 4% |
ESPR
| Collaboration Revenue | $124.7M | 74% |
| Products | $43.7M | 26% |
