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

Duolingo, Inc. is the larger business by last-quarter revenue ($282.9M vs $240.1M, roughly 1.2× ASTRONICS CORP). On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs 15.1%). Duolingo, Inc. produced more free cash flow last quarter ($96.6M vs $15.8M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs 13.9%).

Astronics Corporation is an American aerospace electronics corporation founded in 1968, headquartered in East Aurora, New York. It is traded on NASDAQ as Nasdaq: ATRO. It is known for lighting and electronics integrations on military, commercial, and business aircraft and semiconductor test systems.

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.

ATRO vs DUOL — Head-to-Head

Bigger by revenue
DUOL
DUOL
1.2× larger
DUOL
$282.9M
$240.1M
ATRO
Growing faster (revenue YoY)
DUOL
DUOL
+19.9% gap
DUOL
35.0%
15.1%
ATRO
More free cash flow
DUOL
DUOL
$80.7M more FCF
DUOL
$96.6M
$15.8M
ATRO
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
29.9%
13.9%
ATRO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATRO
ATRO
DUOL
DUOL
Revenue
$240.1M
$282.9M
Net Profit
$42.0M
Gross Margin
33.3%
72.8%
Operating Margin
14.8%
15.4%
Net Margin
14.8%
Revenue YoY
15.1%
35.0%
Net Profit YoY
201.7%
EPS (diluted)
$0.82
$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
ATRO
ATRO
DUOL
DUOL
Q4 25
$240.1M
$282.9M
Q3 25
$211.4M
$271.7M
Q2 25
$204.7M
$252.3M
Q1 25
$205.9M
$230.7M
Q4 24
$208.5M
$209.6M
Q3 24
$203.7M
$192.6M
Q2 24
$198.1M
$178.3M
Q1 24
$185.1M
$167.6M
Net Profit
ATRO
ATRO
DUOL
DUOL
Q4 25
$42.0M
Q3 25
$-11.1M
$292.2M
Q2 25
$1.3M
$44.8M
Q1 25
$9.5M
$35.1M
Q4 24
$13.9M
Q3 24
$-11.7M
$23.4M
Q2 24
$1.5M
$24.4M
Q1 24
$-3.2M
$27.0M
Gross Margin
ATRO
ATRO
DUOL
DUOL
Q4 25
33.3%
72.8%
Q3 25
30.5%
72.5%
Q2 25
25.8%
72.4%
Q1 25
29.5%
71.1%
Q4 24
29.8%
71.9%
Q3 24
27.1%
72.9%
Q2 24
28.0%
73.4%
Q1 24
25.7%
73.0%
Operating Margin
ATRO
ATRO
DUOL
DUOL
Q4 25
14.8%
15.4%
Q3 25
10.9%
12.9%
Q2 25
2.3%
13.2%
Q1 25
6.4%
10.2%
Q4 24
4.3%
6.6%
Q3 24
4.1%
7.0%
Q2 24
3.8%
10.5%
Q1 24
0.9%
9.8%
Net Margin
ATRO
ATRO
DUOL
DUOL
Q4 25
14.8%
Q3 25
-5.2%
107.5%
Q2 25
0.6%
17.8%
Q1 25
4.6%
15.2%
Q4 24
6.6%
Q3 24
-5.8%
12.1%
Q2 24
0.8%
13.7%
Q1 24
-1.7%
16.1%
EPS (diluted)
ATRO
ATRO
DUOL
DUOL
Q4 25
$0.82
$0.99
Q3 25
$-0.31
$5.95
Q2 25
$0.04
$0.91
Q1 25
$0.26
$0.72
Q4 24
$-0.07
$0.31
Q3 24
$-0.34
$0.49
Q2 24
$0.04
$0.51
Q1 24
$-0.09
$0.57

Balance Sheet & Financial Strength

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

Metric
ATRO
ATRO
DUOL
DUOL
Cash + ST InvestmentsLiquidity on hand
$18.2M
$1.0B
Total DebtLower is stronger
Stockholders' EquityBook value
$140.1M
$1.3B
Total Assets
$706.7M
$2.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATRO
ATRO
DUOL
DUOL
Q4 25
$18.2M
$1.0B
Q3 25
$13.5M
$1.0B
Q2 25
$13.5M
$976.2M
Q1 25
$24.8M
$884.0M
Q4 24
$9.3M
$785.8M
Q3 24
$5.2M
$854.4M
Q2 24
$2.9M
$888.2M
Q1 24
$5.3M
$829.7M
Stockholders' Equity
ATRO
ATRO
DUOL
DUOL
Q4 25
$140.1M
$1.3B
Q3 25
$108.9M
$1.3B
Q2 25
$271.6M
$977.0M
Q1 25
$266.8M
$893.8M
Q4 24
$256.1M
$824.5M
Q3 24
$249.2M
$822.5M
Q2 24
$257.9M
$766.9M
Q1 24
$251.7M
$711.1M
Total Assets
ATRO
ATRO
DUOL
DUOL
Q4 25
$706.7M
$2.0B
Q3 25
$682.2M
$1.9B
Q2 25
$646.7M
$1.5B
Q1 25
$662.2M
$1.4B
Q4 24
$648.8M
$1.3B
Q3 24
$651.6M
$1.2B
Q2 24
$644.9M
$1.1B
Q1 24
$630.0M
$1.1B

Cash Flow & Capital Efficiency

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

Metric
ATRO
ATRO
DUOL
DUOL
Operating Cash FlowLast quarter
$27.6M
$107.3M
Free Cash FlowOCF − Capex
$15.8M
$96.6M
FCF MarginFCF / Revenue
6.6%
34.1%
Capex IntensityCapex / Revenue
4.9%
3.8%
Cash ConversionOCF / Net Profit
2.56×
TTM Free Cash FlowTrailing 4 quarters
$43.1M
$369.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATRO
ATRO
DUOL
DUOL
Q4 25
$27.6M
$107.3M
Q3 25
$34.2M
$84.2M
Q2 25
$-7.6M
$90.7M
Q1 25
$20.6M
$105.6M
Q4 24
$26.4M
$83.3M
Q3 24
$8.4M
$56.3M
Q2 24
$-6.3M
$62.4M
Q1 24
$2.0M
$83.5M
Free Cash Flow
ATRO
ATRO
DUOL
DUOL
Q4 25
$15.8M
$96.6M
Q3 25
$21.0M
$79.4M
Q2 25
$-12.2M
$89.5M
Q1 25
$18.5M
$104.3M
Q4 24
$23.2M
$81.4M
Q3 24
$6.5M
$53.1M
Q2 24
$-8.1M
$56.8M
Q1 24
$439.0K
$82.1M
FCF Margin
ATRO
ATRO
DUOL
DUOL
Q4 25
6.6%
34.1%
Q3 25
9.9%
29.2%
Q2 25
-6.0%
35.5%
Q1 25
9.0%
45.2%
Q4 24
11.1%
38.8%
Q3 24
3.2%
27.6%
Q2 24
-4.1%
31.9%
Q1 24
0.2%
49.0%
Capex Intensity
ATRO
ATRO
DUOL
DUOL
Q4 25
4.9%
3.8%
Q3 25
6.2%
1.8%
Q2 25
2.2%
0.5%
Q1 25
1.0%
0.6%
Q4 24
1.5%
0.9%
Q3 24
0.9%
1.7%
Q2 24
0.9%
3.1%
Q1 24
0.9%
0.8%
Cash Conversion
ATRO
ATRO
DUOL
DUOL
Q4 25
2.56×
Q3 25
0.29×
Q2 25
-5.81×
2.02×
Q1 25
2.17×
3.01×
Q4 24
5.99×
Q3 24
2.41×
Q2 24
-4.08×
2.56×
Q1 24
3.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ATRO
ATRO

Product Line Electrical Power And Motion$113.8M47%
Product Line Avionics$32.0M13%
Military Aircraft$28.0M12%
General Aviation$22.3M9%
Government And Defense$20.5M9%
Product Line Systems Certification$13.2M6%
Product Line Structures$3.7M2%
Product Line Other$2.3M1%

DUOL
DUOL

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

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