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Side-by-side financial comparison of Duolingo, Inc. (DUOL) and ESCO TECHNOLOGIES INC (ESE). Click either name above to swap in a different company.
Duolingo, Inc. is the larger business by last-quarter revenue ($295.5M vs $289.7M, roughly 1.0× ESCO TECHNOLOGIES INC). Duolingo, Inc. runs the higher net margin — 11.9% vs 9.9%, a 2.0% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (27.0% vs 17.3%). Duolingo, Inc. produced more free cash flow last quarter ($103.0M vs $63.0M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (28.7% CAGR vs 7.8%).
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.
Esco is a Singaporean brand that develops, manufactures, and sells products and services for laboratories.
DUOL vs ESE — Head-to-Head
Income Statement — Q1 FY2026 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $295.5M | $289.7M |
| Net Profit | $35.1M | $28.7M |
| Gross Margin | 55.5% | 41.4% |
| Operating Margin | 8.0% | 13.2% |
| Net Margin | 11.9% | 9.9% |
| Revenue YoY | 27.0% | 17.3% |
| Net Profit YoY | 24.0% | 22.2% |
| EPS (diluted) | $0.72 | $1.11 |
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.
| Q1 26 | $295.5M | — | ||
| Q4 25 | $282.9M | $289.7M | ||
| Q3 25 | $271.7M | $286.5M | ||
| Q2 25 | $252.3M | $296.3M | ||
| Q1 25 | $230.7M | $265.5M | ||
| Q4 24 | $209.6M | $247.0M | ||
| Q3 24 | $192.6M | $298.5M | ||
| Q2 24 | $178.3M | $260.8M |
| Q1 26 | $35.1M | — | ||
| Q4 25 | $42.0M | $28.7M | ||
| Q3 25 | $292.2M | $218.7M | ||
| Q2 25 | $44.8M | $26.1M | ||
| Q1 25 | $35.1M | $31.0M | ||
| Q4 24 | $13.9M | $23.5M | ||
| Q3 24 | $23.4M | $34.3M | ||
| Q2 24 | $24.4M | $29.2M |
| Q1 26 | 55.5% | — | ||
| Q4 25 | 72.8% | 41.4% | ||
| Q3 25 | 72.5% | 45.9% | ||
| Q2 25 | 72.4% | 41.2% | ||
| Q1 25 | 71.1% | 41.1% | ||
| Q4 24 | 71.9% | 39.8% | ||
| Q3 24 | 72.9% | 40.1% | ||
| Q2 24 | 73.4% | 39.6% |
| Q1 26 | 8.0% | — | ||
| Q4 25 | 15.4% | 13.2% | ||
| Q3 25 | 12.9% | 17.2% | ||
| Q2 25 | 13.2% | 11.2% | ||
| Q1 25 | 10.2% | 15.3% | ||
| Q4 24 | 6.6% | 11.4% | ||
| Q3 24 | 7.0% | 14.8% | ||
| Q2 24 | 10.5% | 14.3% |
| Q1 26 | 11.9% | — | ||
| Q4 25 | 14.8% | 9.9% | ||
| Q3 25 | 107.5% | 76.3% | ||
| Q2 25 | 17.8% | 8.8% | ||
| Q1 25 | 15.2% | 11.7% | ||
| Q4 24 | 6.6% | 9.5% | ||
| Q3 24 | 12.1% | 11.5% | ||
| Q2 24 | 13.7% | 11.2% |
| Q1 26 | $0.72 | — | ||
| Q4 25 | $0.99 | $1.11 | ||
| Q3 25 | $5.95 | $8.43 | ||
| Q2 25 | $0.91 | $1.01 | ||
| Q1 25 | $0.72 | $1.20 | ||
| Q4 24 | $0.31 | $0.91 | ||
| Q3 24 | $0.49 | $1.32 | ||
| Q2 24 | $0.51 | $1.13 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.1B | $103.8M |
| Total DebtLower is stronger | — | $145.5M |
| Stockholders' EquityBook value | $1.3B | $1.6B |
| Total Assets | $2.0B | $2.4B |
| Debt / EquityLower = less leverage | — | 0.09× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $1.1B | — | ||
| Q4 25 | $1.0B | $103.8M | ||
| Q3 25 | $1.0B | $101.3M | ||
| Q2 25 | $976.2M | $78.7M | ||
| Q1 25 | $884.0M | $57.4M | ||
| Q4 24 | $785.8M | $71.3M | ||
| Q3 24 | $854.4M | $66.0M | ||
| Q2 24 | $888.2M | $63.0M |
| Q1 26 | — | — | ||
| Q4 25 | — | $145.5M | ||
| Q3 25 | — | $186.0M | ||
| Q2 25 | — | $525.0M | ||
| Q1 25 | — | $88.0M | ||
| Q4 24 | — | $112.0M | ||
| Q3 24 | — | $122.0M | ||
| Q2 24 | — | $173.0M |
| Q1 26 | $1.3B | — | ||
| Q4 25 | $1.3B | $1.6B | ||
| Q3 25 | $1.3B | $1.5B | ||
| Q2 25 | $977.0M | $1.3B | ||
| Q1 25 | $893.8M | $1.3B | ||
| Q4 24 | $824.5M | $1.2B | ||
| Q3 24 | $822.5M | $1.2B | ||
| Q2 24 | $766.9M | $1.2B |
| Q1 26 | $2.0B | — | ||
| Q4 25 | $2.0B | $2.4B | ||
| Q3 25 | $1.9B | $2.4B | ||
| Q2 25 | $1.5B | $2.5B | ||
| Q1 25 | $1.4B | $1.8B | ||
| Q4 24 | $1.3B | $1.8B | ||
| Q3 24 | $1.2B | $1.8B | ||
| Q2 24 | $1.1B | $1.8B |
| Q1 26 | — | — | ||
| Q4 25 | — | 0.09× | ||
| Q3 25 | — | 0.12× | ||
| Q2 25 | — | 0.40× | ||
| Q1 25 | — | 0.07× | ||
| Q4 24 | — | 0.09× | ||
| Q3 24 | — | 0.10× | ||
| Q2 24 | — | 0.14× |
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 | $105.6M | $68.9M |
| Free Cash FlowOCF − Capex | $103.0M | $63.0M |
| FCF MarginFCF / Revenue | 34.9% | 21.7% |
| Capex IntensityCapex / Revenue | — | 2.0% |
| Cash ConversionOCF / Net Profit | 3.01× | 2.40× |
| TTM Free Cash FlowTrailing 4 quarters | $368.4M | $239.6M |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $105.6M | — | ||
| Q4 25 | $107.3M | $68.9M | ||
| Q3 25 | $84.2M | $109.9M | ||
| Q2 25 | $90.7M | $73.7M | ||
| Q1 25 | $105.6M | $24.1M | ||
| Q4 24 | $83.3M | $34.2M | ||
| Q3 24 | $56.3M | $72.1M | ||
| Q2 24 | $62.4M | $36.2M |
| Q1 26 | $103.0M | — | ||
| Q4 25 | $96.6M | $63.0M | ||
| Q3 25 | $79.4M | $97.8M | ||
| Q2 25 | $89.5M | $64.9M | ||
| Q1 25 | $104.3M | $14.0M | ||
| Q4 24 | $81.4M | $29.0M | ||
| Q3 24 | $53.1M | $60.9M | ||
| Q2 24 | $56.8M | $27.6M |
| Q1 26 | 34.9% | — | ||
| Q4 25 | 34.1% | 21.7% | ||
| Q3 25 | 29.2% | 34.1% | ||
| Q2 25 | 35.5% | 21.9% | ||
| Q1 25 | 45.2% | 5.3% | ||
| Q4 24 | 38.8% | 11.7% | ||
| Q3 24 | 27.6% | 20.4% | ||
| Q2 24 | 31.9% | 10.6% |
| Q1 26 | — | — | ||
| Q4 25 | 3.8% | 2.0% | ||
| Q3 25 | 1.8% | 4.2% | ||
| Q2 25 | 0.5% | 3.0% | ||
| Q1 25 | 0.6% | 3.8% | ||
| Q4 24 | 0.9% | 2.1% | ||
| Q3 24 | 1.7% | 3.8% | ||
| Q2 24 | 3.1% | 3.3% |
| Q1 26 | 3.01× | — | ||
| Q4 25 | 2.56× | 2.40× | ||
| Q3 25 | 0.29× | 0.50× | ||
| Q2 25 | 2.02× | 2.83× | ||
| Q1 25 | 3.01× | 0.78× | ||
| Q4 24 | 5.99× | 1.46× | ||
| Q3 24 | 2.41× | 2.10× | ||
| Q2 24 | 2.56× | 1.24× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DUOL
| Bookings | $283.5M | 96% |
| Other | $12.0M | 4% |
ESE
| US Government | $98.0M | 34% |
| Utility Solutions Group | $87.5M | 30% |
| RF Shielding And Test | $58.3M | 20% |
| Commercial | $45.8M | 16% |
| Related Party | $1.3M | 0% |
