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

BLACKBAUD INC is the larger business by last-quarter revenue ($295.3M vs $282.9M, roughly 1.0× Duolingo, Inc.). Duolingo, Inc. runs the higher net margin — 14.8% vs 12.4%, a 2.4% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs -2.3%). Duolingo, Inc. produced more free cash flow last quarter ($96.6M vs $55.0M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs 3.0%).

Blackbaud, Inc. is a cloud computing provider that supports nonprofits, foundations, corporations, education institutions, healthcare organizations, religious organizations, and individual change agents. Its products focus on fundraising, website management, CRM, analytics, financial management, ticketing, and education administration.

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.

BLKB vs DUOL — Head-to-Head

Bigger by revenue
BLKB
BLKB
1.0× larger
BLKB
$295.3M
$282.9M
DUOL
Growing faster (revenue YoY)
DUOL
DUOL
+37.2% gap
DUOL
35.0%
-2.3%
BLKB
Higher net margin
DUOL
DUOL
2.4% more per $
DUOL
14.8%
12.4%
BLKB
More free cash flow
DUOL
DUOL
$41.5M more FCF
DUOL
$96.6M
$55.0M
BLKB
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
29.9%
3.0%
BLKB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BLKB
BLKB
DUOL
DUOL
Revenue
$295.3M
$282.9M
Net Profit
$36.7M
$42.0M
Gross Margin
58.3%
72.8%
Operating Margin
20.0%
15.4%
Net Margin
12.4%
14.8%
Revenue YoY
-2.3%
35.0%
Net Profit YoY
110.6%
201.7%
EPS (diluted)
$0.75
$0.99

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
BLKB
BLKB
DUOL
DUOL
Q4 25
$295.3M
$282.9M
Q3 25
$281.1M
$271.7M
Q2 25
$282.0M
$252.3M
Q1 25
$269.9M
$230.7M
Q4 24
$302.1M
$209.6M
Q3 24
$286.6M
$192.6M
Q2 24
$287.3M
$178.3M
Q1 24
$278.6M
$167.6M
Net Profit
BLKB
BLKB
DUOL
DUOL
Q4 25
$36.7M
$42.0M
Q3 25
$47.5M
$292.2M
Q2 25
$26.5M
$44.8M
Q1 25
$4.3M
$35.1M
Q4 24
$-346.4M
$13.9M
Q3 24
$18.3M
$23.4M
Q2 24
$21.2M
$24.4M
Q1 24
$7.3M
$27.0M
Gross Margin
BLKB
BLKB
DUOL
DUOL
Q4 25
58.3%
72.8%
Q3 25
59.6%
72.5%
Q2 25
59.7%
72.4%
Q1 25
57.5%
71.1%
Q4 24
53.8%
71.9%
Q3 24
54.9%
72.9%
Q2 24
56.0%
73.4%
Q1 24
54.1%
73.0%
Operating Margin
BLKB
BLKB
DUOL
DUOL
Q4 25
20.0%
15.4%
Q3 25
19.4%
12.9%
Q2 25
20.3%
13.2%
Q1 25
7.3%
10.2%
Q4 24
-121.5%
6.6%
Q3 24
14.4%
7.0%
Q2 24
14.4%
10.5%
Q1 24
4.8%
9.8%
Net Margin
BLKB
BLKB
DUOL
DUOL
Q4 25
12.4%
14.8%
Q3 25
16.9%
107.5%
Q2 25
9.4%
17.8%
Q1 25
1.6%
15.2%
Q4 24
-114.6%
6.6%
Q3 24
6.4%
12.1%
Q2 24
7.4%
13.7%
Q1 24
2.6%
16.1%
EPS (diluted)
BLKB
BLKB
DUOL
DUOL
Q4 25
$0.75
$0.99
Q3 25
$0.98
$5.95
Q2 25
$0.55
$0.91
Q1 25
$0.09
$0.72
Q4 24
$-6.82
$0.31
Q3 24
$0.35
$0.49
Q2 24
$0.41
$0.51
Q1 24
$0.14
$0.57

Balance Sheet & Financial Strength

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

Metric
BLKB
BLKB
DUOL
DUOL
Cash + ST InvestmentsLiquidity on hand
$38.9M
$1.0B
Total DebtLower is stronger
$1.1B
Stockholders' EquityBook value
$85.1M
$1.3B
Total Assets
$2.4B
$2.0B
Debt / EquityLower = less leverage
13.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BLKB
BLKB
DUOL
DUOL
Q4 25
$38.9M
$1.0B
Q3 25
$38.3M
$1.0B
Q2 25
$41.6M
$976.2M
Q1 25
$37.2M
$884.0M
Q4 24
$67.6M
$785.8M
Q3 24
$34.6M
$854.4M
Q2 24
$30.4M
$888.2M
Q1 24
$26.4M
$829.7M
Total Debt
BLKB
BLKB
DUOL
DUOL
Q4 25
$1.1B
Q3 25
Q2 25
Q1 25
Q4 24
$1.1B
Q3 24
$1.0B
Q2 24
$1.0B
Q1 24
Stockholders' Equity
BLKB
BLKB
DUOL
DUOL
Q4 25
$85.1M
$1.3B
Q3 25
$108.2M
$1.3B
Q2 25
$72.7M
$977.0M
Q1 25
$17.5M
$893.8M
Q4 24
$126.8M
$824.5M
Q3 24
$544.8M
$822.5M
Q2 24
$577.5M
$766.9M
Q1 24
$534.0M
$711.1M
Total Assets
BLKB
BLKB
DUOL
DUOL
Q4 25
$2.4B
$2.0B
Q3 25
$2.1B
$1.9B
Q2 25
$2.6B
$1.5B
Q1 25
$2.1B
$1.4B
Q4 24
$2.5B
$1.3B
Q3 24
$2.6B
$1.2B
Q2 24
$3.0B
$1.1B
Q1 24
$2.5B
$1.1B
Debt / Equity
BLKB
BLKB
DUOL
DUOL
Q4 25
13.06×
Q3 25
Q2 25
Q1 25
Q4 24
8.50×
Q3 24
1.84×
Q2 24
1.78×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
BLKB
BLKB
DUOL
DUOL
Operating Cash FlowLast quarter
$58.0M
$107.3M
Free Cash FlowOCF − Capex
$55.0M
$96.6M
FCF MarginFCF / Revenue
18.6%
34.1%
Capex IntensityCapex / Revenue
1.0%
3.8%
Cash ConversionOCF / Net Profit
1.58×
2.56×
TTM Free Cash FlowTrailing 4 quarters
$257.8M
$369.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BLKB
BLKB
DUOL
DUOL
Q4 25
$58.0M
$107.3M
Q3 25
$139.2M
$84.2M
Q2 25
$66.9M
$90.7M
Q1 25
$1.4M
$105.6M
Q4 24
$73.6M
$83.3M
Q3 24
$104.0M
$56.3M
Q2 24
$53.1M
$62.4M
Q1 24
$65.3M
$83.5M
Free Cash Flow
BLKB
BLKB
DUOL
DUOL
Q4 25
$55.0M
$96.6M
Q3 25
$135.7M
$79.4M
Q2 25
$66.3M
$89.5M
Q1 25
$712.0K
$104.3M
Q4 24
$73.4M
$81.4M
Q3 24
$102.9M
$53.1M
Q2 24
$48.0M
$56.8M
Q1 24
$64.3M
$82.1M
FCF Margin
BLKB
BLKB
DUOL
DUOL
Q4 25
18.6%
34.1%
Q3 25
48.3%
29.2%
Q2 25
23.5%
35.5%
Q1 25
0.3%
45.2%
Q4 24
24.3%
38.8%
Q3 24
35.9%
27.6%
Q2 24
16.7%
31.9%
Q1 24
23.1%
49.0%
Capex Intensity
BLKB
BLKB
DUOL
DUOL
Q4 25
1.0%
3.8%
Q3 25
1.2%
1.8%
Q2 25
0.2%
0.5%
Q1 25
0.3%
0.6%
Q4 24
0.1%
0.9%
Q3 24
0.4%
1.7%
Q2 24
1.8%
3.1%
Q1 24
0.4%
0.8%
Cash Conversion
BLKB
BLKB
DUOL
DUOL
Q4 25
1.58×
2.56×
Q3 25
2.93×
0.29×
Q2 25
2.53×
2.02×
Q1 25
0.32×
3.01×
Q4 24
5.99×
Q3 24
5.69×
2.41×
Q2 24
2.50×
2.56×
Q1 24
8.94×
3.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BLKB
BLKB

Contractual Recurring$182.7M62%
Transactional Recurring$108.0M37%
One Time Services And Other$4.5M2%

DUOL
DUOL

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

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