analyticsVertical SaaS
Data as of Q1 2026
Summary Verdict
ACIW: 4—SSTK: 1wins
Rule of 40
24.2ACIW
10.7SSTK
check_circleACIW leads
Revenue Growth
6.9%ACIW
3.6%SSTK
check_circleACIW leads
Gross Margin
47%ACIW
58%SSTK
check_circleSSTK leads
FCF Margin
17.3%ACIW
7.1%SSTK
check_circleACIW leads
Operating Margin
16.4%ACIW
4.8%SSTK
check_circleACIW leads
NRR
—ACIW
—SSTK
Metric
Rule of 40Efficiency score
ACIW
24.2check_circle
SSTK
10.7
Revenue GrowthYoY
ACIW
6.9%check_circle
SSTK
3.6%
Gross Margin% of revenue
ACIW
47%
SSTK
58%check_circle
FCF MarginFree cash flow
ACIW
17.3%check_circle
SSTK
7.1%
Operating MarginGAAP
ACIW
16.4%check_circle
SSTK
4.8%
NRRNet retention
ACIW
N/A
SSTK
N/A
EV / RevenueValuation multiple
ACIW
N/A
SSTK
N/A
Market CapUSD
ACIW
N/A
SSTK
N/A
ARR GrowthYoY
ACIW
N/A
SSTK
N/A
CAC PaybackMonths to recover
ACIW
N/A
SSTK
N/A
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insights
Analysis
As of Q1 2026, ACI WORLDWIDE, INC. trades at N/A EV/Revenue versus Shutterstock, Inc. at N/A. On the Rule of 40, ACI WORLDWIDE, INC. scores 24.2 compared to Shutterstock, Inc.'s 10.7, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 47% vs Shutterstock, Inc. 58%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.