DUOL vs GOOGL vs META vs MSFT vs AAPL

For growth investors, Duolingo, Inc.

(DUOL) is the stronger pick with 38. 7% revenue growth year-over-year, versus 6. 4% for Apple Inc. (AAPL). Duolingo, Inc. (DUOL) offers the better valuation at 13. 3x trailing P/E (38. 4x forward), making it the more compelling value choice. Analysts rate Alphabet Inc. (GOOGL) a "Buy" — based on 82 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Duolingo, Inc.

(DUOL) is the cheapest at 13. 3x versus Apple Inc. at 38. 5x. On forward P/E, Meta Platforms, Inc. is actually cheaper at 20. 4x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Alphabet Inc. wins at 0. 99x versus Apple Inc. 's 1. 89x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Alphabet Inc.

(GOOGL) delivered a total return of +239. 8%, compared to -18. 3% for Duolingo, Inc. (DUOL). Over 10 years, the gap is even starker: AAPL returned +1174% versus DUOL's -18. 3%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Microsoft Corporation (MSFT) is the lower-risk stock at 0.

89β versus Meta Platforms, Inc. 's 1. 59β — meaning META is approximately 80% more volatile than MSFT relative to the S&P 500. On balance sheet safety, Duolingo, Inc. (DUOL) carries a lower debt/equity ratio of 7% versus 152% for Apple Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Duolingo, Inc.

(DUOL) is pulling ahead at 38. 7% versus 6. 4% for Apple Inc. (AAPL). On earnings-per-share growth, the picture is similar: Duolingo, Inc. grew EPS 355. 9% year-over-year, compared to -1. 6% for Meta Platforms, Inc.. Over a 3-year CAGR, DUOL leads at 41. 1% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Duolingo, Inc.

(DUOL) is the more profitable company, earning 39. 9% net margin versus 26. 9% for Apple Inc. — meaning it keeps 39. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MSFT leads at 45. 6% versus 13. 1% for DUOL. At the gross margin level — before operating expenses — META leads at 82. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Alphabet Inc. (GOOGL) is the more undervalued stock at a PEG of 0. 99x versus Apple Inc. 's 1. 89x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Meta Platforms, Inc. (META) trades at 20. 4x forward P/E versus 38. 4x for Duolingo, Inc. — 18. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for DUOL: 94. 1% to $220. 56.

In this comparison, MSFT (0.

8% yield), AAPL (0. 4% yield), META (0. 3% yield), GOOGL (0. 2% yield) pay a dividend. DUOL does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Microsoft Corporation (MSFT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

89), 0. 8% yield, +787. 7% 10Y return). Meta Platforms, Inc. (META) carries a higher beta of 1. 59 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (MSFT: +787. 7%, META: +421. 2%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (DUOL (Technology) and GOOGL (Communication Services) and META (Communication Services) and MSFT (Technology) and AAPL (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: DUOL is a small-cap high-growth stock; GOOGL is a mega-cap high-growth stock; META is a mega-cap high-growth stock; MSFT is a mega-cap quality compounder stock; AAPL is a mega-cap quality compounder stock. MSFT pays a dividend while DUOL, GOOGL, META, AAPL do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.