Duolingo Inc (DUOL)vsSonos Inc (SONO)
DUOL
Duolingo Inc
$143.51
-2.87%
TECHNOLOGY · Cap: $6.61B
SONO
Sonos Inc
$18.18
+1.88%
TECHNOLOGY · Cap: $1.99B
Smart Verdict
WallStSmart Research — data-driven comparison
Sonos Inc generates 30% more annual revenue ($1.49B vs $1.15B). DUOL leads profitability with a 35.9% profit margin vs 3.8%. DUOL trades at a lower P/E of 16.8x. DUOL earns a higher WallStSmart Score of 53/100 (C-).
DUOL
Buy53
out of 100
Grade: C-
SONO
Hold48
out of 100
Grade: D+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+57.4%
Fair Value
$256.65
Current Price
$143.51
$113.14 discount
Margin of Safety
-32.1%
Fair Value
$12.49
Current Price
$18.18
$5.69 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 30 in profit
Keeps 36 of every $100 in revenue as profit
Conservative balance sheet, low leverage
Attractively priced relative to earnings
18.3% revenue growth
Earnings expanding 87.5% YoY
Conservative balance sheet, low leverage
Areas to Watch
Weak financial health signals
Earnings declined 27.5%
Premium valuation, high expectations priced in
Smaller company, higher risk/reward
ROE of 6.2% — below average capital efficiency
3.8% margin — thin
Comparative Analysis Report
WallStSmart ResearchBull Case : DUOL
The strongest argument for DUOL centers on Return on Equity, Profit Margin, Debt/Equity. Profitability is solid with margins at 35.9% and operating margin at 11.7%. Revenue growth of 18.3% demonstrates continued momentum.
Bull Case : SONO
The strongest argument for SONO centers on EPS Growth, Debt/Equity.
Bear Case : DUOL
The primary concerns for DUOL are Piotroski F-Score, EPS Growth.
Bear Case : SONO
The primary concerns for SONO are P/E Ratio, Market Cap, Return on Equity. Thin 3.8% margins leave little buffer for downturns.
Key Dynamics to Monitor
DUOL profiles as a growth stock while SONO is a value play — different risk/reward profiles.
SONO carries more volatility with a beta of 1.94 — expect wider price swings.
DUOL is growing revenue faster at 18.3% — sustainability is the question.
DUOL generates stronger free cash flow (79M), providing more financial flexibility.
Bottom Line
DUOL scores higher overall (53/100 vs 48/100), backed by strong 35.9% margins and 18.3% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Duolingo Inc
TECHNOLOGY · SOFTWARE - APPLICATION · USA
Duolingo Inc (DUOL) is a leading player in the edtech sector, renowned for its innovative language-learning platform that has successfully engaged over 500 million users globally through a unique freemium model augmented by gamification. Established in 2011, Duolingo utilizes advanced AI-driven personalized learning to enhance user experience and retention across more than 30 languages. The company's unwavering mission to provide accessible education aligns with the rapid expansion of the digital learning market, offering substantial growth potential for institutional investors seeking to tap into the future of educational technology.
Visit Website →Sonos Inc
TECHNOLOGY · CONSUMER ELECTRONICS · USA
Sonos, Inc. designs, develops, manufactures, and sells multi-room audio products in the Americas, Europe, the Middle East, Africa, and Asia Pacific. The company is headquartered in Santa Barbara, California.
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