Summary Verdict
KLTR: 1—ACIW: 4wins
Rule of 40
8.9KLTR
28.0ACIW
check_circleACIW leads
Revenue Growth
1.2%KLTR
10.4%ACIW
check_circleACIW leads
Gross Margin
71%KLTR
49%ACIW
check_circleKLTR leads
FCF Margin
7.7%KLTR
17.6%ACIW
check_circleACIW leads
Operating Margin
-2.7%KLTR
18.8%ACIW
check_circleACIW leads
NRR
—KLTR
—ACIW
Metric
Rule of 40Efficiency score
KLTR
8.9
ACIW
28.0check_circle
Revenue GrowthYoY
KLTR
1.2%
ACIW
10.4%check_circle
Gross Margin% of revenue
KLTR
71%check_circle
ACIW
49%
FCF MarginFree cash flow
KLTR
7.7%
ACIW
17.6%check_circle
Operating MarginGAAP
KLTR
-2.7%
ACIW
18.8%check_circle
NRRNet retention
KLTR
N/A
ACIW
N/A
EV / RevenueValuation multiple
KLTR
N/A
ACIW
N/A
Market CapUSD
KLTR
N/A
ACIW
N/A
ARR GrowthYoY
KLTR
N/A
ACIW
N/A
CAC PaybackMonths to recover
KLTR
N/A
ACIW
N/A
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insights
Analysis
As of Q4 2025, KALTURA INC trades at N/A EV/Revenue versus ACI WORLDWIDE, INC. at N/A. On the Rule of 40, KALTURA INC scores 8.9 compared to ACI WORLDWIDE, INC.'s 28.0, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at KALTURA INC 71% vs ACI WORLDWIDE, INC. 49%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.