Which has the lower trailing P/E, APPF or QLYS?

QLYS has the lower trailing P/E: APPF trades at 46.34 and QLYS at 33.39. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, APPF or QLYS?

Over the past five years, APPF grew revenue faster — APPF at a 26.26% CAGR versus QLYS at 12.87%.

Is APPF or QLYS more profitable?

QLYS runs the higher net margin — APPF at 15.13% versus QLYS at 29.34%.

How have APPF and QLYS total returns compared?

Over the past 10 years, APPF delivered 26.51% and QLYS delivered 17.24% annualized total return. Past performance doesn't predict future results.

AppFolio Inc. (APPF) vs Qualys, Inc. (QLYS)

A side-by-side comparison of AppFolio Inc. and Qualys, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 2, 2026. Differences are shown without an overall score or investment verdict.

APPF

AppFolio Inc.

$7.25B

$202.97TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

QLYS

Qualys, Inc.

$6.80B

$193.00TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

Total return — APPF vs QLYS

growth of $100 · dividends reinvested · last 10y

APPF +968.8% (+26.7%/yr)QLYS +391.2% (+17.3%/yr)APPF compounded faster over this window

APPF QLYS

APPF vs QLYS: by the numbers

•APPF is the larger company ($7.25B vs $6.80B market cap).
•QLYS trades at the lower trailing earnings multiple (33.39 vs 46.34 P/E), one valuation lens rather than an overall verdict.
•QLYS converts more revenue to profit (29.34% vs 15.13% net margin).
•APPF grew revenue faster over the past five years (26.26% vs 12.87% CAGR).

Metrics side by side

Valuation

Metric	APPF	QLYS
P/E ratio	46.34	33.39
Forward P/E	29.42	24.64
PEG ratio	N/A	1.72
P/S ratio	6.97	9.65
P/B ratio	13.78	12.09
EV / EBITDA	34.75	25.78
FCF yield	3.71%	4.62%

Profitability

Metric	APPF	QLYS
Gross margin	63.04%	83.45%
Operating margin	17.52%	34.61%
Net margin	15.13%	29.34%
ROE	29.94%	36.74%
ROIC	26.85%	30.65%

Growth (annualized)

Metric	APPF	QLYS
Revenue CAGR (5Y)	26.26%	12.87%
EPS CAGR (5Y)	-3.28%	18.60%
FCF CAGR (5Y)	72.35%	12.05%
Total return CAGR (5Y)	10.17%	10.97%

Frequently asked

Which has the lower trailing P/E, APPF or QLYS?: QLYS has the lower trailing P/E: APPF trades at 46.34 and QLYS at 33.39. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, APPF or QLYS?: Over the past five years, APPF grew revenue faster — APPF at a 26.26% CAGR versus QLYS at 12.87%.
Is APPF or QLYS more profitable?: QLYS runs the higher net margin — APPF at 15.13% versus QLYS at 29.34%.
How have APPF and QLYS total returns compared?: Over the past 10 years, APPF delivered 26.51% and QLYS delivered 17.24% annualized total return. Past performance doesn't predict future results.

Go deeper

Full APPF analysis Full QLYS analysis Interactive comparison tool

Dig into the metrics

AppFolio P/E ratio Qualys P/E ratio AppFolio ROE Qualys ROE AppFolio operating margin Qualys operating margin AppFolio revenue growth Qualys revenue growth AppFolio free cash flow Qualys free cash flow

AppFolio & Qualys appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest ROIC Stocks Highest Operating Margin Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 2, 2026.