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

JACK IN THE BOX INC is the larger business by last-quarter revenue ($349.5M vs $282.9M, roughly 1.2× Duolingo, Inc.). Duolingo, Inc. runs the higher net margin — 14.8% vs -0.7%, a 15.5% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs -25.5%). Duolingo, Inc. produced more free cash flow last quarter ($96.6M vs $7.3M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs -18.6%).

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.

Jack in the Box, Inc. is an American fast food restaurant chain founded on February 21, 1951, by Robert O. Peterson in San Diego, California, where it is headquartered. The chain has over 2,200 locations, primarily serving the West Coast of the United States. Restaurants are also found in large urban areas outside the West Coast, as well as two in Guam. The company also formerly operated the Qdoba Mexican Grill chain until Apollo Global Management bought the chain in December 2017.

DUOL vs JACK — Head-to-Head

Bigger by revenue
JACK
JACK
1.2× larger
JACK
$349.5M
$282.9M
DUOL
Growing faster (revenue YoY)
DUOL
DUOL
+60.5% gap
DUOL
35.0%
-25.5%
JACK
Higher net margin
DUOL
DUOL
15.5% more per $
DUOL
14.8%
-0.7%
JACK
More free cash flow
DUOL
DUOL
$89.2M more FCF
DUOL
$96.6M
$7.3M
JACK
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
29.9%
-18.6%
JACK

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
DUOL
DUOL
JACK
JACK
Revenue
$282.9M
$349.5M
Net Profit
$42.0M
$-2.5M
Gross Margin
72.8%
Operating Margin
15.4%
13.3%
Net Margin
14.8%
-0.7%
Revenue YoY
35.0%
-25.5%
Net Profit YoY
201.7%
-107.3%
EPS (diluted)
$0.99
$-0.13

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
JACK
JACK
Q1 26
$349.5M
Q4 25
$282.9M
Q3 25
$271.7M
Q2 25
$252.3M
$336.7M
Q1 25
$230.7M
$371.1M
Q4 24
$209.6M
Q3 24
$192.6M
Q2 24
$178.3M
$365.3M
Net Profit
DUOL
DUOL
JACK
JACK
Q1 26
$-2.5M
Q4 25
$42.0M
Q3 25
$292.2M
Q2 25
$44.8M
$-142.2M
Q1 25
$35.1M
$33.7M
Q4 24
$13.9M
Q3 24
$23.4M
Q2 24
$24.4M
$25.0M
Gross Margin
DUOL
DUOL
JACK
JACK
Q1 26
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%
Operating Margin
DUOL
DUOL
JACK
JACK
Q1 26
13.3%
Q4 25
15.4%
Q3 25
12.9%
Q2 25
13.2%
-46.7%
Q1 25
10.2%
19.0%
Q4 24
6.6%
Q3 24
7.0%
Q2 24
10.5%
14.8%
Net Margin
DUOL
DUOL
JACK
JACK
Q1 26
-0.7%
Q4 25
14.8%
Q3 25
107.5%
Q2 25
17.8%
-42.2%
Q1 25
15.2%
9.1%
Q4 24
6.6%
Q3 24
12.1%
Q2 24
13.7%
6.8%
EPS (diluted)
DUOL
DUOL
JACK
JACK
Q1 26
$-0.13
Q4 25
$0.99
Q3 25
$5.95
Q2 25
$0.91
$-7.47
Q1 25
$0.72
$1.75
Q4 24
$0.31
Q3 24
$0.49
Q2 24
$0.51
$1.26

Balance Sheet & Financial Strength

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

Metric
DUOL
DUOL
JACK
JACK
Cash + ST InvestmentsLiquidity on hand
$1.0B
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$1.3B
$-936.0M
Total Assets
$2.0B
$2.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUOL
DUOL
JACK
JACK
Q1 26
Q4 25
$1.0B
Q3 25
$1.0B
Q2 25
$976.2M
Q1 25
$884.0M
Q4 24
$785.8M
Q3 24
$854.4M
Q2 24
$888.2M
Total Debt
DUOL
DUOL
JACK
JACK
Q1 26
$1.6B
Q4 25
Q3 25
Q2 25
$1.7B
Q1 25
$1.7B
Q4 24
Q3 24
Q2 24
$1.7B
Stockholders' Equity
DUOL
DUOL
JACK
JACK
Q1 26
$-936.0M
Q4 25
$1.3B
Q3 25
$1.3B
Q2 25
$977.0M
$-976.2M
Q1 25
$893.8M
$-827.1M
Q4 24
$824.5M
Q3 24
$822.5M
Q2 24
$766.9M
$-702.6M
Total Assets
DUOL
DUOL
JACK
JACK
Q1 26
$2.0B
Q4 25
$2.0B
Q3 25
$1.9B
Q2 25
$1.5B
$2.6B
Q1 25
$1.4B
$2.8B
Q4 24
$1.3B
Q3 24
$1.2B
Q2 24
$1.1B
$2.9B

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
JACK
JACK
Operating Cash FlowLast quarter
$107.3M
$30.5M
Free Cash FlowOCF − Capex
$96.6M
$7.3M
FCF MarginFCF / Revenue
34.1%
2.1%
Capex IntensityCapex / Revenue
3.8%
6.6%
Cash ConversionOCF / Net Profit
2.56×
TTM Free Cash FlowTrailing 4 quarters
$369.7M
$34.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUOL
DUOL
JACK
JACK
Q1 26
$30.5M
Q4 25
$107.3M
Q3 25
$84.2M
Q2 25
$90.7M
$-36.8M
Q1 25
$105.6M
$105.7M
Q4 24
$83.3M
Q3 24
$56.3M
Q2 24
$62.4M
$16.7M
Free Cash Flow
DUOL
DUOL
JACK
JACK
Q1 26
$7.3M
Q4 25
$96.6M
Q3 25
$79.4M
Q2 25
$89.5M
$-63.2M
Q1 25
$104.3M
$84.4M
Q4 24
$81.4M
Q3 24
$53.1M
Q2 24
$56.8M
$6.4M
FCF Margin
DUOL
DUOL
JACK
JACK
Q1 26
2.1%
Q4 25
34.1%
Q3 25
29.2%
Q2 25
35.5%
-18.8%
Q1 25
45.2%
22.7%
Q4 24
38.8%
Q3 24
27.6%
Q2 24
31.9%
1.8%
Capex Intensity
DUOL
DUOL
JACK
JACK
Q1 26
6.6%
Q4 25
3.8%
Q3 25
1.8%
Q2 25
0.5%
7.9%
Q1 25
0.6%
5.7%
Q4 24
0.9%
Q3 24
1.7%
Q2 24
3.1%
2.8%
Cash Conversion
DUOL
DUOL
JACK
JACK
Q1 26
Q4 25
2.56×
Q3 25
0.29×
Q2 25
2.02×
Q1 25
3.01×
3.14×
Q4 24
5.99×
Q3 24
2.41×
Q2 24
2.56×
0.67×

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%

JACK
JACK

Restaurant Sales$131.9M38%
Franchise$97.4M28%
Royaltyand Other$58.9M17%
Advertising$56.6M16%
Technology Service$4.7M1%
Franchise Fees$1.7M0%

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