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Side-by-side financial comparison of Duolingo, Inc. (DUOL) and AMICUS THERAPEUTICS, INC. (FOLD). Click either name above to swap in a different company.
Duolingo, Inc. is the larger business by last-quarter revenue ($282.9M vs $185.2M, roughly 1.5× AMICUS THERAPEUTICS, INC.). Duolingo, Inc. runs the higher net margin — 14.8% vs 0.9%, a 13.9% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs 23.7%). Duolingo, Inc. produced more free cash flow last quarter ($96.6M vs $16.0M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs 29.5%).
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.
Amicus Therapeutics, Inc. is a public American biopharmaceutical company based in Philadelphia, Pennsylvania. The company went public in 2007 under the Nasdaq trading symbol FOLD. This followed a 2006 planned offering and subsequent withdrawal, which would have established the trading symbol as AMTX Prior to their IPO, Amicus was funded by a variety of venture capital firms including Radius Ventures, Canaan Partners and New Enterprise Associates.
DUOL vs FOLD — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $282.9M | $185.2M |
| Net Profit | $42.0M | $1.7M |
| Gross Margin | 72.8% | 85.7% |
| Operating Margin | 15.4% | 8.6% |
| Net Margin | 14.8% | 0.9% |
| Revenue YoY | 35.0% | 23.7% |
| Net Profit YoY | 201.7% | -88.5% |
| EPS (diluted) | $0.99 | $0.00 |
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 | $185.2M | ||
| Q3 25 | $271.7M | $169.1M | ||
| Q2 25 | $252.3M | $154.7M | ||
| Q1 25 | $230.7M | $125.2M | ||
| Q4 24 | $209.6M | $149.7M | ||
| Q3 24 | $192.6M | $141.5M | ||
| Q2 24 | $178.3M | $126.7M | ||
| Q1 24 | $167.6M | $110.4M |
| Q4 25 | $42.0M | $1.7M | ||
| Q3 25 | $292.2M | $17.3M | ||
| Q2 25 | $44.8M | $-24.4M | ||
| Q1 25 | $35.1M | $-21.7M | ||
| Q4 24 | $13.9M | $14.7M | ||
| Q3 24 | $23.4M | $-6.7M | ||
| Q2 24 | $24.4M | $-15.7M | ||
| Q1 24 | $27.0M | $-48.4M |
| Q4 25 | 72.8% | 85.7% | ||
| Q3 25 | 72.5% | 88.5% | ||
| Q2 25 | 72.4% | 90.2% | ||
| Q1 25 | 71.1% | 90.7% | ||
| Q4 24 | 71.9% | 90.1% | ||
| Q3 24 | 72.9% | 90.6% | ||
| Q2 24 | 73.4% | 91.1% | ||
| Q1 24 | 73.0% | 87.7% |
| Q4 25 | 15.4% | 8.6% | ||
| Q3 25 | 12.9% | 20.3% | ||
| Q2 25 | 13.2% | -6.1% | ||
| Q1 25 | 10.2% | -6.3% | ||
| Q4 24 | 6.6% | 10.7% | ||
| Q3 24 | 7.0% | 15.3% | ||
| Q2 24 | 10.5% | 11.8% | ||
| Q1 24 | 9.8% | -25.1% |
| Q4 25 | 14.8% | 0.9% | ||
| Q3 25 | 107.5% | 10.2% | ||
| Q2 25 | 17.8% | -15.8% | ||
| Q1 25 | 15.2% | -17.3% | ||
| Q4 24 | 6.6% | 9.8% | ||
| Q3 24 | 12.1% | -4.8% | ||
| Q2 24 | 13.7% | -12.4% | ||
| Q1 24 | 16.1% | -43.9% |
| Q4 25 | $0.99 | $0.00 | ||
| Q3 25 | $5.95 | $0.06 | ||
| Q2 25 | $0.91 | $-0.08 | ||
| Q1 25 | $0.72 | $-0.07 | ||
| Q4 24 | $0.31 | $0.05 | ||
| Q3 24 | $0.49 | $-0.02 | ||
| Q2 24 | $0.51 | $-0.05 | ||
| Q1 24 | $0.57 | $-0.16 |
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 | $293.5M |
| Total DebtLower is stronger | — | $392.7M |
| Stockholders' EquityBook value | $1.3B | $274.2M |
| Total Assets | $2.0B | $949.9M |
| Debt / EquityLower = less leverage | — | 1.43× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.0B | $293.5M | ||
| Q3 25 | $1.0B | $263.8M | ||
| Q2 25 | $976.2M | $231.0M | ||
| Q1 25 | $884.0M | $250.6M | ||
| Q4 24 | $785.8M | $249.9M | ||
| Q3 24 | $854.4M | $249.8M | ||
| Q2 24 | $888.2M | $260.1M | ||
| Q1 24 | $829.7M | $239.6M |
| Q4 25 | — | $392.7M | ||
| Q3 25 | — | $392.0M | ||
| Q2 25 | — | $391.3M | ||
| Q1 25 | — | $390.7M | ||
| Q4 24 | — | $390.1M | ||
| Q3 24 | — | $389.5M | ||
| Q2 24 | — | $388.9M | ||
| Q1 24 | — | $388.4M |
| Q4 25 | $1.3B | $274.2M | ||
| Q3 25 | $1.3B | $230.4M | ||
| Q2 25 | $977.0M | $204.3M | ||
| Q1 25 | $893.8M | $193.6M | ||
| Q4 24 | $824.5M | $194.0M | ||
| Q3 24 | $822.5M | $178.8M | ||
| Q2 24 | $766.9M | $132.5M | ||
| Q1 24 | $711.1M | $130.7M |
| Q4 25 | $2.0B | $949.9M | ||
| Q3 25 | $1.9B | $868.8M | ||
| Q2 25 | $1.5B | $815.3M | ||
| Q1 25 | $1.4B | $789.8M | ||
| Q4 24 | $1.3B | $785.0M | ||
| Q3 24 | $1.2B | $786.6M | ||
| Q2 24 | $1.1B | $749.5M | ||
| Q1 24 | $1.1B | $721.8M |
| Q4 25 | — | 1.43× | ||
| Q3 25 | — | 1.70× | ||
| Q2 25 | — | 1.92× | ||
| Q1 25 | — | 2.02× | ||
| Q4 24 | — | 2.01× | ||
| Q3 24 | — | 2.18× | ||
| Q2 24 | — | 2.93× | ||
| Q1 24 | — | 2.97× |
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 | $16.3M |
| Free Cash FlowOCF − Capex | $96.6M | $16.0M |
| FCF MarginFCF / Revenue | 34.1% | 8.6% |
| Capex IntensityCapex / Revenue | 3.8% | 0.2% |
| Cash ConversionOCF / Net Profit | 2.56× | 9.62× |
| TTM Free Cash FlowTrailing 4 quarters | $369.7M | $29.8M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $107.3M | $16.3M | ||
| Q3 25 | $84.2M | $35.7M | ||
| Q2 25 | $90.7M | $-26.5M | ||
| Q1 25 | $105.6M | $7.8M | ||
| Q4 24 | $83.3M | $-3.9M | ||
| Q3 24 | $56.3M | $-23.0M | ||
| Q2 24 | $62.4M | $22.7M | ||
| Q1 24 | $83.5M | $-29.7M |
| Q4 25 | $96.6M | $16.0M | ||
| Q3 25 | $79.4M | $35.3M | ||
| Q2 25 | $89.5M | $-28.9M | ||
| Q1 25 | $104.3M | $7.5M | ||
| Q4 24 | $81.4M | $-4.2M | ||
| Q3 24 | $53.1M | $-23.3M | ||
| Q2 24 | $56.8M | $21.6M | ||
| Q1 24 | $82.1M | $-31.5M |
| Q4 25 | 34.1% | 8.6% | ||
| Q3 25 | 29.2% | 20.9% | ||
| Q2 25 | 35.5% | -18.7% | ||
| Q1 25 | 45.2% | 6.0% | ||
| Q4 24 | 38.8% | -2.8% | ||
| Q3 24 | 27.6% | -16.5% | ||
| Q2 24 | 31.9% | 17.0% | ||
| Q1 24 | 49.0% | -28.5% |
| Q4 25 | 3.8% | 0.2% | ||
| Q3 25 | 1.8% | 0.2% | ||
| Q2 25 | 0.5% | 1.6% | ||
| Q1 25 | 0.6% | 0.2% | ||
| Q4 24 | 0.9% | 0.2% | ||
| Q3 24 | 1.7% | 0.3% | ||
| Q2 24 | 3.1% | 0.9% | ||
| Q1 24 | 0.8% | 1.6% |
| Q4 25 | 2.56× | 9.62× | ||
| Q3 25 | 0.29× | 2.06× | ||
| Q2 25 | 2.02× | — | ||
| Q1 25 | 3.01× | — | ||
| Q4 24 | 5.99× | -0.27× | ||
| Q3 24 | 2.41× | — | ||
| Q2 24 | 2.56× | — | ||
| Q1 24 | 3.10× | — |
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% |
FOLD
| Other | $105.8M | 57% |
| Galafold | $64.8M | 35% |
| Pombiliti Opfolda | $14.6M | 8% |
