ACI WORLDWIDE, INC. vs AppFolio, Inc.
Side-by-Side SaaS Metrics & Valuation Comparison
analyticsVertical SaaS
Data as of Q2 2026
Summary Verdict
ACIW: 1—APPF: 4wins
Rule of 40
26.1ACIW
40.6APPF
check_circleAPPF leads
Revenue Growth
9.1%ACIW
29.5%APPF
check_circleAPPF leads
Gross Margin
46%ACIW
87%APPF
check_circleAPPF leads
FCF Margin
17.0%ACIW
11.2%APPF
check_circleACIW leads
Operating Margin
15.2%ACIW
17.4%APPF
check_circleAPPF leads
NRR
—ACIW
—APPF
Metric
Rule of 40Efficiency score
ACIW
26.1
APPF
40.6check_circle
Revenue GrowthYoY
ACIW
9.1%
APPF
29.5%check_circle
Gross Margin% of revenue
ACIW
46%
APPF
87%check_circle
FCF MarginFree cash flow
ACIW
17.0%check_circle
APPF
11.2%
Operating MarginGAAP
ACIW
15.2%
APPF
17.4%check_circle
NRRNet retention
ACIW
N/A
APPF
N/A
EV / RevenueValuation multiple
ACIW
3.5xcheck_circle
APPF
7.5x
Market CapUSD
ACIW
$5.4B
APPF
$7.7Bcheck_circle
ARR GrowthYoY
ACIW
N/A
APPF
N/A
CAC PaybackMonths to recover
ACIW
N/A
APPF
N/A
insights
Analysis
As of Q2 2026, ACI WORLDWIDE, INC. trades at 3.5x EV/Revenue versus AppFolio, Inc. at 7.5x. On the Rule of 40, ACI WORLDWIDE, INC. scores 26.1 compared to AppFolio, Inc.'s 40.6, placing AppFolio, Inc. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 46% vs AppFolio, Inc. 87%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.