WallStSmart

Apple Inc. (AAPL)vsDuolingo Inc (DUOL)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Apple Inc. generates 40985% more annual revenue ($451.44B vs $1.10B). DUOL leads profitability with a 38.4% profit margin vs 27.2%. DUOL trades at a lower P/E of 14.3x. AAPL earns a higher WallStSmart Score of 67/100 (B-).

AAPL

Strong Buy

67

out of 100

Grade: B-

Growth: 6.7Profit: 10.0Value: 4.3Quality: 6.5
Piotroski: 7/9Altman Z: 2.42

DUOL

Buy

65

out of 100

Grade: C+

Growth: 8.7Profit: 8.5Value: 7.7Quality: 7.5
Piotroski: 2/9Altman Z: 2.81
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for AAPL.

DUOLUndervalued (+57.5%)

Margin of Safety

+57.5%

Fair Value

$257.05

Current Price

$119.94

$137.11 discount

UndervaluedFair: $257.05Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AAPL6 strengths · Avg: 9.5/10
Market CapQuality
$4.17T10/10

Mega-cap, among the largest globally

Return on EquityProfitability
115.1%10/10

Every $100 of equity generates 115 in profit

Operating MarginProfitability
32.3%10/10

Strong operational efficiency at 32.3%

Free Cash FlowQuality
$26.73B10/10

Generating 26.7B in free cash flow

Profit MarginProfitability
27.2%9/10

Keeps 27 of every $100 in revenue as profit

Revenue GrowthGrowth
16.6%8/10

16.6% revenue growth

DUOL6 strengths · Avg: 9.0/10
Return on EquityProfitability
30.4%10/10

Every $100 of equity generates 30 in profit

Profit MarginProfitability
38.4%10/10

Keeps 38 of every $100 in revenue as profit

Debt/EquityHealth
0.0710/10

Conservative balance sheet, low leverage

P/E RatioValuation
14.3x8/10

Attractively priced relative to earnings

Revenue GrowthGrowth
26.5%8/10

Revenue surging 26.5% year-over-year

EPS GrowthGrowth
23.6%8/10

Earnings expanding 23.6% YoY

Areas to Watch

AAPL3 concerns · Avg: 3.3/10
PEG RatioValuation
2.224/10

Expensive relative to growth rate

P/E RatioValuation
34.4x4/10

Premium valuation, high expectations priced in

Price/BookValuation
39.1x2/10

Trading at 39.1x book value

DUOL1 concerns · Avg: 3.0/10
Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : AAPL

The strongest argument for AAPL centers on Market Cap, Return on Equity, Operating Margin. Profitability is solid with margins at 27.2% and operating margin at 32.3%. Revenue growth of 16.6% demonstrates continued momentum.

Bull Case : DUOL

The strongest argument for DUOL centers on Return on Equity, Profit Margin, Debt/Equity. Profitability is solid with margins at 38.4% and operating margin at 15.4%. Revenue growth of 26.5% demonstrates continued momentum.

Bear Case : AAPL

The primary concerns for AAPL are PEG Ratio, P/E Ratio, Price/Book.

Bear Case : DUOL

The primary concerns for DUOL are Piotroski F-Score.

Key Dynamics to Monitor

AAPL carries more volatility with a beta of 1.09 — expect wider price swings.

DUOL is growing revenue faster at 26.5% — sustainability is the question.

AAPL generates stronger free cash flow (26.7B), providing more financial flexibility.

Monitor CONSUMER ELECTRONICS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

AAPL scores higher overall (67/100 vs 65/100), backed by strong 27.2% margins and 16.6% revenue growth. DUOL offers better value entry with a 57.5% margin of safety. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Apple Inc.

TECHNOLOGY · CONSUMER ELECTRONICS · USA

Apple Inc. is an American multinational technology company that specializes in consumer electronics, computer software, and online services. Apple is the world's largest technology company by revenue (totalling $274.5 billion in 2020) and, since January 2021, the world's most valuable company. As of 2021, Apple is the world's fourth-largest PC vendor by unit sales, and fourth-largest smartphone manufacturer. It is one of the Big Five American information technology companies, along with Amazon, Google, Microsoft, and Facebook.

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Duolingo Inc

TECHNOLOGY · SOFTWARE - APPLICATION · USA

Duolingo Inc (DUOL) is a pioneering leader in the edtech industry, celebrated for its innovative language-learning platform that has attracted more than 500 million users worldwide through an effective freemium model and enticing gamification strategies. Founded in 2011, the company employs sophisticated AI-driven personalized learning to optimize user engagement and retention across a broad spectrum of over 30 languages. With a strong commitment to making education universally accessible, Duolingo is well-positioned to capitalize on the burgeoning digital learning market, presenting compelling growth opportunities for institutional investors looking to invest in the future of educational technology.

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