Summary Verdict
ACIW: 2—KVYO: 3wins
Rule of 40
24.2ACIW
38.5KVYO
check_circleKVYO leads
Revenue Growth
6.9%ACIW
32.5%KVYO
check_circleKVYO leads
Gross Margin
47%ACIW
76%KVYO
check_circleKVYO leads
FCF Margin
17.3%ACIW
6.0%KVYO
check_circleACIW leads
Operating Margin
16.4%ACIW
-5.2%KVYO
check_circleACIW leads
NRR
—ACIW
—KVYO
Metric
Rule of 40Efficiency score
ACIW
24.2
KVYO
38.5check_circle
Revenue GrowthYoY
ACIW
6.9%
KVYO
32.5%check_circle
Gross Margin% of revenue
ACIW
47%
KVYO
76%check_circle
FCF MarginFree cash flow
ACIW
17.3%check_circle
KVYO
6.0%
Operating MarginGAAP
ACIW
16.4%check_circle
KVYO
-5.2%
NRRNet retention
ACIW
N/A
KVYO
N/A
EV / RevenueValuation multiple
ACIW
N/A
KVYO
N/A
Market CapUSD
ACIW
N/A
KVYO
N/A
ARR GrowthYoY
ACIW
N/A
KVYO
N/A
CAC PaybackMonths to recover
ACIW
N/A
KVYO
N/A
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insights
Analysis
As of Q1 2026, ACI WORLDWIDE, INC. trades at N/A EV/Revenue versus Klaviyo, Inc. at N/A. On the Rule of 40, ACI WORLDWIDE, INC. scores 24.2 compared to Klaviyo, Inc.'s 38.5, placing Klaviyo, Inc. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 47% vs Klaviyo, Inc. 76%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.