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

EQUITY LIFESTYLE PROPERTIES INC is the larger business by last-quarter revenue ($397.6M vs $282.9M, roughly 1.4× Duolingo, Inc.). On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs 2.7%). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% CAGR vs 2.3%).

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.

Simon Media Properties, LLC, doing business as Simon Property Group, Inc., is an American real estate investment trust that invests in shopping malls, outlet centers, and community/lifestyle centers. It is the largest owner of shopping malls in the United States and is headquartered in Indianapolis, Indiana. As of December 31, 2024, it owned interests in 232 properties.

DUOL vs ELS — Head-to-Head

Bigger by revenue
ELS
ELS
1.4× larger
ELS
$397.6M
$282.9M
DUOL
Growing faster (revenue YoY)
DUOL
DUOL
+32.3% gap
DUOL
35.0%
2.7%
ELS
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
29.9%
2.3%
ELS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
DUOL
DUOL
ELS
ELS
Revenue
$282.9M
$397.6M
Net Profit
$42.0M
Gross Margin
72.8%
Operating Margin
15.4%
Net Margin
14.8%
Revenue YoY
35.0%
2.7%
Net Profit YoY
201.7%
EPS (diluted)
$0.99
$0.56

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
ELS
ELS
Q1 26
$397.6M
Q4 25
$282.9M
$373.9M
Q3 25
$271.7M
$393.3M
Q2 25
$252.3M
$376.9M
Q1 25
$230.7M
$387.3M
Q4 24
$209.6M
$372.3M
Q3 24
$192.6M
$387.3M
Q2 24
$178.3M
$380.0M
Net Profit
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
$42.0M
$103.8M
Q3 25
$292.2M
$100.4M
Q2 25
$44.8M
$83.5M
Q1 25
$35.1M
$114.4M
Q4 24
$13.9M
$100.6M
Q3 24
$23.4M
$86.9M
Q2 24
$24.4M
$82.1M
Gross Margin
DUOL
DUOL
ELS
ELS
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
ELS
ELS
Q1 26
Q4 25
15.4%
26.5%
Q3 25
12.9%
25.1%
Q2 25
13.2%
22.3%
Q1 25
10.2%
28.3%
Q4 24
6.6%
27.2%
Q3 24
7.0%
21.4%
Q2 24
10.5%
21.5%
Net Margin
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
14.8%
27.8%
Q3 25
107.5%
25.5%
Q2 25
17.8%
22.2%
Q1 25
15.2%
29.5%
Q4 24
6.6%
27.0%
Q3 24
12.1%
22.4%
Q2 24
13.7%
21.6%
EPS (diluted)
DUOL
DUOL
ELS
ELS
Q1 26
$0.56
Q4 25
$0.99
$0.52
Q3 25
$5.95
$0.50
Q2 25
$0.91
$0.42
Q1 25
$0.72
$0.57
Q4 24
$0.31
$0.51
Q3 24
$0.49
$0.44
Q2 24
$0.51
$0.42

Balance Sheet & Financial Strength

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

Metric
DUOL
DUOL
ELS
ELS
Cash + ST InvestmentsLiquidity on hand
$1.0B
Total DebtLower is stronger
Stockholders' EquityBook value
$1.3B
$1.8B
Total Assets
$2.0B
$5.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUOL
DUOL
ELS
ELS
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
ELS
ELS
Q1 26
Q4 25
$3.3B
Q3 25
Q2 25
Q1 25
Q4 24
$3.2B
Q3 24
Q2 24
Stockholders' Equity
DUOL
DUOL
ELS
ELS
Q1 26
$1.8B
Q4 25
$1.3B
$1.8B
Q3 25
$1.3B
$1.8B
Q2 25
$977.0M
$1.7B
Q1 25
$893.8M
$1.7B
Q4 24
$824.5M
$1.7B
Q3 24
$822.5M
$1.4B
Q2 24
$766.9M
$1.4B
Total Assets
DUOL
DUOL
ELS
ELS
Q1 26
$5.7M
Q4 25
$2.0B
$5.7B
Q3 25
$1.9B
$5.7B
Q2 25
$1.5B
$5.7B
Q1 25
$1.4B
$5.6B
Q4 24
$1.3B
$5.6B
Q3 24
$1.2B
$5.6B
Q2 24
$1.1B
$5.6B
Debt / Equity
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
1.91×
Q3 25
Q2 25
Q1 25
Q4 24
1.84×
Q3 24
Q2 24

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

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
$107.3M
$571.1M
Q3 25
$84.2M
$147.0M
Q2 25
$90.7M
$131.3M
Q1 25
$105.6M
$193.4M
Q4 24
$83.3M
$596.7M
Q3 24
$56.3M
$149.5M
Q2 24
$62.4M
$143.1M
Free Cash Flow
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
$96.6M
$334.1M
Q3 25
$79.4M
$75.7M
Q2 25
$89.5M
$71.8M
Q1 25
$104.3M
$148.2M
Q4 24
$81.4M
$355.4M
Q3 24
$53.1M
$91.1M
Q2 24
$56.8M
$80.6M
FCF Margin
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
34.1%
89.4%
Q3 25
29.2%
19.3%
Q2 25
35.5%
19.1%
Q1 25
45.2%
38.3%
Q4 24
38.8%
95.5%
Q3 24
27.6%
23.5%
Q2 24
31.9%
21.2%
Capex Intensity
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
3.8%
63.4%
Q3 25
1.8%
18.1%
Q2 25
0.5%
15.8%
Q1 25
0.6%
11.7%
Q4 24
0.9%
64.8%
Q3 24
1.7%
15.1%
Q2 24
3.1%
16.5%
Cash Conversion
DUOL
DUOL
ELS
ELS
Q1 26
Q4 25
2.56×
5.50×
Q3 25
0.29×
1.46×
Q2 25
2.02×
1.57×
Q1 25
3.01×
1.69×
Q4 24
5.99×
5.93×
Q3 24
2.41×
1.72×
Q2 24
2.56×
1.74×

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%

ELS
ELS

Rental income$339.0M85%
Other$37.2M9%
Annual membership subscriptions$18.3M5%
Membership upgrade revenue$3.1M1%

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