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Side-by-side financial comparison of Duolingo, Inc. (DUOL) and ProPetro Holding Corp. (PUMP). Click either name above to swap in a different company.

ProPetro Holding Corp. is the larger business by last-quarter revenue ($289.7M vs $282.9M, roughly 1.0× Duolingo, Inc.). On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs -9.6%). Duolingo, Inc. produced more free cash flow last quarter ($96.6M vs $16.8M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs -15.5%).

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.

ProPetro Holding Corp. is a leading U.S.-based oilfield services provider. It offers hydraulic fracturing, well completion and related supporting services primarily to onshore oil and gas exploration and production operators, with core operations concentrated in the Permian Basin spanning Texas and New Mexico.

DUOL vs PUMP — Head-to-Head

Bigger by revenue
PUMP
PUMP
1.0× larger
PUMP
$289.7M
$282.9M
DUOL
Growing faster (revenue YoY)
DUOL
DUOL
+44.6% gap
DUOL
35.0%
-9.6%
PUMP
More free cash flow
DUOL
DUOL
$79.7M more FCF
DUOL
$96.6M
$16.8M
PUMP
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
29.9%
-15.5%
PUMP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DUOL
DUOL
PUMP
PUMP
Revenue
$282.9M
$289.7M
Net Profit
$42.0M
Gross Margin
72.8%
Operating Margin
15.4%
2.1%
Net Margin
14.8%
Revenue YoY
35.0%
-9.6%
Net Profit YoY
201.7%
EPS (diluted)
$0.99
$0.01

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.

Revenue
DUOL
DUOL
PUMP
PUMP
Q4 25
$282.9M
$289.7M
Q3 25
$271.7M
$293.9M
Q2 25
$252.3M
$326.2M
Q1 25
$230.7M
$359.4M
Q4 24
$209.6M
$320.6M
Q3 24
$192.6M
$360.9M
Q2 24
$178.3M
$357.0M
Q1 24
$167.6M
$405.8M
Net Profit
DUOL
DUOL
PUMP
PUMP
Q4 25
$42.0M
Q3 25
$292.2M
$-2.4M
Q2 25
$44.8M
$-7.2M
Q1 25
$35.1M
$9.6M
Q4 24
$13.9M
Q3 24
$23.4M
$-137.1M
Q2 24
$24.4M
$-3.7M
Q1 24
$27.0M
$19.9M
Gross Margin
DUOL
DUOL
PUMP
PUMP
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%
Operating Margin
DUOL
DUOL
PUMP
PUMP
Q4 25
15.4%
2.1%
Q3 25
12.9%
-2.1%
Q2 25
13.2%
-1.0%
Q1 25
10.2%
2.6%
Q4 24
6.6%
-5.8%
Q3 24
7.0%
-49.4%
Q2 24
10.5%
-0.1%
Q1 24
9.8%
7.5%
Net Margin
DUOL
DUOL
PUMP
PUMP
Q4 25
14.8%
Q3 25
107.5%
-0.8%
Q2 25
17.8%
-2.2%
Q1 25
15.2%
2.7%
Q4 24
6.6%
Q3 24
12.1%
-38.0%
Q2 24
13.7%
-1.0%
Q1 24
16.1%
4.9%
EPS (diluted)
DUOL
DUOL
PUMP
PUMP
Q4 25
$0.99
$0.01
Q3 25
$5.95
$-0.02
Q2 25
$0.91
$-0.07
Q1 25
$0.72
$0.09
Q4 24
$0.31
$-0.14
Q3 24
$0.49
$-1.32
Q2 24
$0.51
$-0.03
Q1 24
$0.57
$0.18

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
DUOL
DUOL
PUMP
PUMP
Cash + ST InvestmentsLiquidity on hand
$1.0B
$91.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.3B
$829.8M
Total Assets
$2.0B
$1.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUOL
DUOL
PUMP
PUMP
Q4 25
$1.0B
$91.3M
Q3 25
$1.0B
$76.7M
Q2 25
$976.2M
$83.0M
Q1 25
$884.0M
$71.4M
Q4 24
$785.8M
$58.3M
Q3 24
$854.4M
$54.0M
Q2 24
$888.2M
$74.7M
Q1 24
$829.7M
$53.6M
Stockholders' Equity
DUOL
DUOL
PUMP
PUMP
Q4 25
$1.3B
$829.8M
Q3 25
$1.3B
$826.2M
Q2 25
$977.0M
$824.0M
Q1 25
$893.8M
$826.5M
Q4 24
$824.5M
$816.3M
Q3 24
$822.5M
$833.0M
Q2 24
$766.9M
$975.8M
Q1 24
$711.1M
$998.2M
Total Assets
DUOL
DUOL
PUMP
PUMP
Q4 25
$2.0B
$1.3B
Q3 25
$1.9B
$1.3B
Q2 25
$1.5B
$1.2B
Q1 25
$1.4B
$1.2B
Q4 24
$1.3B
$1.2B
Q3 24
$1.2B
$1.3B
Q2 24
$1.1B
$1.5B
Q1 24
$1.1B
$1.2B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
DUOL
DUOL
PUMP
PUMP
Operating Cash FlowLast quarter
$107.3M
$81.0M
Free Cash FlowOCF − Capex
$96.6M
$16.8M
FCF MarginFCF / Revenue
34.1%
5.8%
Capex IntensityCapex / Revenue
3.8%
22.2%
Cash ConversionOCF / Net Profit
2.56×
TTM Free Cash FlowTrailing 4 quarters
$369.7M
$45.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUOL
DUOL
PUMP
PUMP
Q4 25
$107.3M
$81.0M
Q3 25
$84.2M
$41.7M
Q2 25
$90.7M
$54.2M
Q1 25
$105.6M
$54.7M
Q4 24
$83.3M
$37.9M
Q3 24
$56.3M
$34.7M
Q2 24
$62.4M
$104.9M
Q1 24
$83.5M
$74.8M
Free Cash Flow
DUOL
DUOL
PUMP
PUMP
Q4 25
$96.6M
$16.8M
Q3 25
$79.4M
$-2.4M
Q2 25
$89.5M
$17.1M
Q1 25
$104.3M
$13.8M
Q4 24
$81.4M
$10.0M
Q3 24
$53.1M
$-6.0M
Q2 24
$56.8M
$67.7M
Q1 24
$82.1M
$40.2M
FCF Margin
DUOL
DUOL
PUMP
PUMP
Q4 25
34.1%
5.8%
Q3 25
29.2%
-0.8%
Q2 25
35.5%
5.2%
Q1 25
45.2%
3.8%
Q4 24
38.8%
3.1%
Q3 24
27.6%
-1.7%
Q2 24
31.9%
19.0%
Q1 24
49.0%
9.9%
Capex Intensity
DUOL
DUOL
PUMP
PUMP
Q4 25
3.8%
22.2%
Q3 25
1.8%
15.0%
Q2 25
0.5%
11.4%
Q1 25
0.6%
11.4%
Q4 24
0.9%
8.7%
Q3 24
1.7%
11.3%
Q2 24
3.1%
10.4%
Q1 24
0.8%
8.5%
Cash Conversion
DUOL
DUOL
PUMP
PUMP
Q4 25
2.56×
Q3 25
0.29×
Q2 25
2.02×
Q1 25
3.01×
5.70×
Q4 24
5.99×
Q3 24
2.41×
Q2 24
2.56×
Q1 24
3.10×
3.75×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

DUOL
DUOL

License And Service$242.3M86%
Advertising$20.2M7%
English Test$10.3M4%
Other$10.1M4%

PUMP
PUMP

Hydraulic Fracturing Segment$203.9M70%
Wireline Operating Segment$55.4M19%
Cementing Operating Segment$29.6M10%

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