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Side-by-side financial comparison of Duolingo, Inc. (DUOL) and QUINSTREET, INC (QNST). Click either name above to swap in a different company.

Duolingo, Inc. is the larger business by last-quarter revenue ($295.5M vs $287.8M, roughly 1.0× QUINSTREET, INC). QUINSTREET, INC runs the higher net margin — 17.4% vs 11.9%, a 5.6% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (27.0% vs 1.9%). Duolingo, Inc. produced more free cash flow last quarter ($103.0M vs $20.7M). Over the past eight quarters, QUINSTREET, INC's revenue compounded faster (53.2% CAGR vs 28.7%).

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.

QuinStreet, Inc. is a publicly traded online marketing company based in Foster City, California. The company helps generate web traffic for clients by acquiring popular domain names.

DUOL vs QNST — Head-to-Head

Bigger by revenue
DUOL
DUOL
1.0× larger
DUOL
$295.5M
$287.8M
QNST
Growing faster (revenue YoY)
DUOL
DUOL
+25.1% gap
DUOL
27.0%
1.9%
QNST
Higher net margin
QNST
QNST
5.6% more per $
QNST
17.4%
11.9%
DUOL
More free cash flow
DUOL
DUOL
$82.3M more FCF
DUOL
$103.0M
$20.7M
QNST
Faster 2-yr revenue CAGR
QNST
QNST
Annualised
QNST
53.2%
28.7%
DUOL

Income Statement — Q1 FY2026 vs Q2 FY2026

Metric
DUOL
DUOL
QNST
QNST
Revenue
$295.5M
$287.8M
Net Profit
$35.1M
$50.2M
Gross Margin
55.5%
9.6%
Operating Margin
8.0%
0.4%
Net Margin
11.9%
17.4%
Revenue YoY
27.0%
1.9%
Net Profit YoY
24.0%
3342.5%
EPS (diluted)
$0.72
$0.87

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
QNST
QNST
Q1 26
$295.5M
Q4 25
$282.9M
$287.8M
Q3 25
$271.7M
$285.9M
Q2 25
$252.3M
Q1 25
$230.7M
$269.8M
Q4 24
$209.6M
$282.6M
Q3 24
$192.6M
$279.2M
Q2 24
$178.3M
$198.3M
Net Profit
DUOL
DUOL
QNST
QNST
Q1 26
$35.1M
Q4 25
$42.0M
$50.2M
Q3 25
$292.2M
$4.5M
Q2 25
$44.8M
Q1 25
$35.1M
$4.4M
Q4 24
$13.9M
$-1.5M
Q3 24
$23.4M
$-1.4M
Q2 24
$24.4M
$-2.2M
Gross Margin
DUOL
DUOL
QNST
QNST
Q1 26
55.5%
Q4 25
72.8%
9.6%
Q3 25
72.5%
9.4%
Q2 25
72.4%
Q1 25
71.1%
10.3%
Q4 24
71.9%
9.5%
Q3 24
72.9%
10.2%
Q2 24
73.4%
8.8%
Operating Margin
DUOL
DUOL
QNST
QNST
Q1 26
8.0%
Q4 25
15.4%
0.4%
Q3 25
12.9%
1.7%
Q2 25
13.2%
Q1 25
10.2%
1.8%
Q4 24
6.6%
-0.5%
Q3 24
7.0%
-0.4%
Q2 24
10.5%
-0.7%
Net Margin
DUOL
DUOL
QNST
QNST
Q1 26
11.9%
Q4 25
14.8%
17.4%
Q3 25
107.5%
1.6%
Q2 25
17.8%
Q1 25
15.2%
1.6%
Q4 24
6.6%
-0.5%
Q3 24
12.1%
-0.5%
Q2 24
13.7%
-1.1%
EPS (diluted)
DUOL
DUOL
QNST
QNST
Q1 26
$0.72
Q4 25
$0.99
$0.87
Q3 25
$5.95
$0.08
Q2 25
$0.91
Q1 25
$0.72
$0.08
Q4 24
$0.31
$-0.03
Q3 24
$0.49
$-0.02
Q2 24
$0.51
$-0.04

Balance Sheet & Financial Strength

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

Metric
DUOL
DUOL
QNST
QNST
Cash + ST InvestmentsLiquidity on hand
$1.1B
$107.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.3B
$294.4M
Total Assets
$2.0B
$493.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUOL
DUOL
QNST
QNST
Q1 26
$1.1B
Q4 25
$1.0B
$107.0M
Q3 25
$1.0B
$101.3M
Q2 25
$976.2M
Q1 25
$884.0M
$81.8M
Q4 24
$785.8M
$57.8M
Q3 24
$854.4M
$25.0M
Q2 24
$888.2M
$50.5M
Stockholders' Equity
DUOL
DUOL
QNST
QNST
Q1 26
$1.3B
Q4 25
$1.3B
$294.4M
Q3 25
$1.3B
$246.7M
Q2 25
$977.0M
Q1 25
$893.8M
$235.5M
Q4 24
$824.5M
$224.3M
Q3 24
$822.5M
$219.8M
Q2 24
$766.9M
$216.8M
Total Assets
DUOL
DUOL
QNST
QNST
Q1 26
$2.0B
Q4 25
$2.0B
$493.0M
Q3 25
$1.9B
$442.6M
Q2 25
$1.5B
Q1 25
$1.4B
$417.2M
Q4 24
$1.3B
$409.6M
Q3 24
$1.2B
$401.2M
Q2 24
$1.1B
$368.5M

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
QNST
QNST
Operating Cash FlowLast quarter
$105.6M
$21.6M
Free Cash FlowOCF − Capex
$103.0M
$20.7M
FCF MarginFCF / Revenue
34.9%
7.2%
Capex IntensityCapex / Revenue
0.3%
Cash ConversionOCF / Net Profit
3.01×
0.43×
TTM Free Cash FlowTrailing 4 quarters
$368.4M
$106.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUOL
DUOL
QNST
QNST
Q1 26
$105.6M
Q4 25
$107.3M
$21.6M
Q3 25
$84.2M
$19.6M
Q2 25
$90.7M
Q1 25
$105.6M
$30.1M
Q4 24
$83.3M
$38.7M
Q3 24
$56.3M
$-13.7M
Q2 24
$62.4M
$16.6M
Free Cash Flow
DUOL
DUOL
QNST
QNST
Q1 26
$103.0M
Q4 25
$96.6M
$20.7M
Q3 25
$79.4M
$18.4M
Q2 25
$89.5M
Q1 25
$104.3M
$29.5M
Q4 24
$81.4M
$38.2M
Q3 24
$53.1M
$-14.1M
Q2 24
$56.8M
$15.4M
FCF Margin
DUOL
DUOL
QNST
QNST
Q1 26
34.9%
Q4 25
34.1%
7.2%
Q3 25
29.2%
6.4%
Q2 25
35.5%
Q1 25
45.2%
10.9%
Q4 24
38.8%
13.5%
Q3 24
27.6%
-5.1%
Q2 24
31.9%
7.8%
Capex Intensity
DUOL
DUOL
QNST
QNST
Q1 26
Q4 25
3.8%
0.3%
Q3 25
1.8%
0.4%
Q2 25
0.5%
Q1 25
0.6%
0.2%
Q4 24
0.9%
0.2%
Q3 24
1.7%
0.2%
Q2 24
3.1%
0.6%
Cash Conversion
DUOL
DUOL
QNST
QNST
Q1 26
3.01×
Q4 25
2.56×
0.43×
Q3 25
0.29×
4.32×
Q2 25
2.02×
Q1 25
3.01×
6.82×
Q4 24
5.99×
Q3 24
2.41×
Q2 24
2.56×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DUOL
DUOL

Bookings$283.5M96%
Other$12.0M4%

QNST
QNST

Financial Service$216.8M75%
Home Services And Other Revenue$71.0M25%

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